California Is Trying To Ban Aftermarket Tires Now?

HKS coilovers are an aftermarket suspension setup that combines a coil spring and adjustable shock/strut in one unit. They’re commonly used to lower the car and fine-tune ride height and damping for better handling or a more aggressive stance.

“Olin's” appears to be a brand mention in the context of expensive parts, but the transcript doesn’t provide enough detail to identify the exact product line or whether it’s a specific suspension brand. It’s likely a reference to a premium aftermarket component category rather than a generic part.

Olin coilovers are an aftermarket suspension setup that replaces the factory springs and shocks with adjustable components. Coilovers let you tune ride height and damping to change how the car handles and rides.

The Honda S2000 is a two-seat sports car known for its high-revving engine and balanced driving feel. It’s often discussed by enthusiasts because it’s a pure, driver-focused model with a strong reputation. In the podcast, it’s mentioned as a project or build that someone wants to know the status of.

The Mazda RX-7 is a sports car best known for using a rotary engine, which is a different design than a typical piston engine. It has a dedicated enthusiast following because of its performance potential and unique character. The podcast context is an update request, suggesting the RX-7 is a continuing topic or project with ongoing news.

This segment describes the logistics of having a car moved by a third party, where the handoffs and scheduling can be unpredictable. For enthusiasts, transport quality matters because delays and unclear custody can increase the risk of damage or missed deadlines.

The Tesla Semi is an electric heavy-duty truck intended for long-distance freight hauling. It’s significant because it targets a major part of the transportation industry—commercial trucking—using electric power. The podcast context mentions it for transport companies and drivers who might use it as part of their work.

A logistics freight transport schedule is the planned routing and timing for moving goods—who drives which route, when, and how deliveries are sequenced. The host frames it as something AI could optimize or coordinate across drivers and trailers.

An RFID chip (radio-frequency identification) is a small tag that can be read by a nearby scanner using radio waves. In the segment, it’s described as enabling access to a person’s parcel and tracking a vehicle’s proximity to that person.

The Mazda RX-8 is a rotary-powered sports coupe known for its distinctive Wankel engine design. In this segment, it’s used as an example of a specific vehicle whose location could be tracked in real time.

The Porsche Panamera Sport Turismo is a Panamera variant with a wagon-style (lifted hatch) rear, blending Porsche’s four-door luxury with more cargo practicality. It’s notable because it keeps the Panamera’s performance focus while changing the body shape to a station-wagon layout.

A station wagon is a car body style with an extended roofline and a rear cargo area that opens like a hatch. In this context, it describes the Panamera Sport Turismo’s more practical, cargo-friendly layout compared with a standard sedan.

A rotary engine (most famously Mazda’s Wankel design) uses a spinning rotor instead of pistons moving up and down. That rotor and its housing sealing surfaces can wear or fail, and the repair often depends on which internal part is damaged.

In a rotary engine rebuild, the housing is the main body that the rotor runs inside. If the housing’s sealing surface is damaged (for example, from overheating), it may not be repairable by resurfacing and instead must be replaced.

Work hardening is when a metal becomes harder and more brittle after being plastically deformed or heat-stressed. In this context, the host is describing how a rotary housing can get overheated, become hard and brittle, and then lose the ability to be resurfaced.

Resurfacing is machining a damaged surface to restore the correct finish and dimensions. The host is saying that if the rotary housing has work-hardened from overheating, resurfacing may not be possible or effective, forcing a replacement housing.

Renesis refers to Mazda’s later 13B rotary variant used in the RX-8. It’s often considered the “cheaper route” in swaps because it’s more available than the earlier, more sought-after 13B derivatives.

13B is Mazda’s engine family code for a rotary Wankel engine used in multiple RX-7 and RX-8 applications. In this segment, they’re debating whether to stick with the RX-8’s Renesis or swap in a 13B variant, noting that some 13B versions (like REW) are especially sought after.

REW is a specific RX-7 13B rotary variant designation (commonly associated with earlier, turbocharged applications). The hosts say the REW is more sought after than other 13B options, and they discuss doing an REW swap into an RX-8.

A standalone ECU is an aftermarket engine computer that replaces or bypasses the factory ECU to control fuel, ignition, and other parameters. For rotary swaps like a 13B/REW into an RX-8, a standalone ECU is often needed to properly run the engine with the new setup.

A “six speed” refers to a six-gear manual transmission (or a six-forward-gear gearbox). In swaps, the transmission choice matters because it affects how the engine’s RPM range matches the car’s gearing and how the drivetrain will physically bolt up.

A “bridge port” is a rotary-engine porting modification where material is removed to change the intake/exhaust port shape and timing. It’s done to make the engine breathe differently—often resulting in a more aggressive idle and a more “wild” rotary sound compared with stock porting.

“RMSS” is mentioned as an alternative rotary setup to a bridge port, implying a different porting/cylinder-head style modification. The key point in the conversation is that RMSS is still considered cool, but it doesn’t deliver the exact “bridge port” behavior at idle.

Motegi Racing Wheels is an aftermarket wheel brand known for offering many fitments and wheel widths for enthusiasts. Here, the hosts are discussing Motegi wheels and their finishes holding up during hard driving and sliding.

Kenda is a tire brand often chosen for value and availability in the aftermarket. In this segment, it’s mentioned alongside other brands as a tire you can mount quickly with wheels.

Contis is a shorthand reference to Continental tires. The hosts are grouping it with other tire brands as options for a fast, in-stock wheel-and-tire setup.

Ironman is a tire brand the hosts recommend as a budget-friendly option. They’re positioning it as part of a wheel-and-tire package that can be mounted and shipped quickly.

Wheel offset is how far the wheel’s mounting surface sits inboard or outboard relative to the wheel’s centerline. The hosts mention “nine and a half plus zero offset” because offset strongly affects fitment, clearance, and how wide setups can be run on an S-chassis car.

“Nine and a half” refers to wheel width measured in inches (9.5-inch wide wheel). Wheel width is a key part of fitment and handling because it determines how the tire sits and how much clearance you need.

A “wider setup” usually means running wider wheels and/or tires than stock to change grip and steering response. In fitment terms, wider setups often require careful attention to wheel offset and clearance to avoid rubbing.

“10 and a half inch wide wheels” describes a wheel width of 10.5 inches, which is wider than many stock fitments. Wider wheel widths can support wider tires, but they also increase the importance of offset and clearance checks.

Fuel mileage is a measure of how efficiently a vehicle uses fuel, typically expressed as miles per gallon (MPG) or liters per 100 km. The segment links fuel mileage to tire rolling resistance, since lower rolling resistance can improve efficiency.

Aftermarket tires are replacement tires made by companies other than the vehicle’s original equipment (OEM) supplier. The episode’s premise is about regulation that could restrict or change what tire options enthusiasts can buy and use.

Rolling resistance is the energy a tire loses as it flexes and deforms while rolling on the road. Lower rolling resistance generally helps fuel economy because the engine has to waste less energy to keep the car moving.

EVs means electric vehicles—cars powered primarily by electric motors and a battery pack. In the context of tires, EVs are sensitive to efficiency because range depends heavily on energy losses like rolling resistance and aerodynamic drag.

Drag coefficient (often written as Cd) measures how aerodynamically “slippery” a vehicle is. A lower drag coefficient usually reduces aerodynamic drag, which matters more at higher speeds and can improve efficiency for EVs and other cars.

Nankang is a tire brand known for offering a wide range of budget to performance-oriented tires. In this segment, it’s mentioned as an example of inexpensive tires that entered the U.S. market in the late 2010s.

Federal is a tire brand, and “595” refers to a specific tire model line. The hosts cite it as an example of an affordable tire that was widely available in the U.S. during that period.

This appears to be a transcription error for a tire/model or vehicle reference (the phrase “lend 87 thunder” isn’t a clear, standard tire name). Because the exact intended brand/model is unclear, it’s not reliable enough to annotate as a specific product.

An anti-dumping tax is a tariff the government adds when imported goods (here, tires) are sold at unfairly low prices compared with the seller’s home market. The goal is to protect domestic tire makers from price undercutting and give the market time to adjust.

Treadwear is a tire rating (commonly part of the UTQG system in the U.S.) intended to indicate relative expected tread life. It’s not a direct, universal measure of real-world wear, and it can vary by testing conditions, tire design, and brand-to-brand marketing.

Tire pressure changes how the tire’s sidewall and tread deform while rolling. Too much pressure can reduce the tire’s contact patch and increase harshness and instability, while too little pressure can increase deformation and rolling losses.

“Rolling efficiently” points to how tire construction and compound choices reduce energy losses. A tire that deforms less (or deforms in a way that returns energy better) can have lower rolling resistance and better fuel economy.

Michelin is a tire brand known for performance and efficiency-focused tire designs. Here, the host is saying the Civic’s “tire” option was essentially a Michelin tire package tied to a particular trim.

The Subaru WRX is Subaru’s performance-focused compact sedan/wagon line, built around rally-inspired handling and turbocharged punch. In this segment, “VB” refers to the current-generation WRX platform, which is being discussed in the context of how tire rules could affect what owners can fit.

Michelin Pilot Sport Cup 2s are a performance tire line aimed at high grip and track-oriented driving. They’re being referenced because the WRX can be ordered with them, which matters for rules that might restrict aftermarket tires based on efficiency metrics like rolling resistance.

Homologation is the process of certifying a vehicle or configuration so it meets rules for a specific market or competition. In tire discussions, it often means the factory-approved tire spec (or an approved equivalent) that ties into how the car is officially rated and regulated.

“Lower resistance tires” is a shorthand for tires designed to reduce energy losses—most commonly by lowering rolling resistance. The tradeoff is that reducing rolling resistance can sometimes affect grip, especially in wet or cold conditions, depending on the tire’s compound and tread. That’s why the discussion also mentions traction.

“EV tires” are tires marketed specifically for electric vehicles, often with claims about reduced rolling resistance to help range. They may use different rubber compounds, tread patterns, and sometimes construction changes to manage the EV’s torque delivery and efficiency goals. The key enthusiast question is whether the differences are meaningful versus standard tires.

Traction is the tire’s ability to grip the road surface so the car can accelerate, brake, and corner effectively. When tires are optimized for efficiency (like lower rolling resistance), there can be compromises in traction depending on compound and tread design. That’s why the host asks whether lower-resistance tires “hurt something.”

The “foam” mentioned is likely tire construction material used to reduce noise and/or improve efficiency by changing how the tire absorbs and dampens vibrations. Some tires use foam inserts or internal layers to target ride comfort and sound, and marketing may connect those changes to rolling resistance claims. The important point is that construction tweaks can affect multiple characteristics at once.

The Ferrari Luce is referenced in the podcast as a Ferrari project tied to Italy and production planning. Since it’s mentioned as something that “had to be made” for a specific reason, the discussion appears to focus on the concept or development story rather than driving impressions. In this context, it’s likely being used as an example of a new or unusual Ferrari-related topic.

“Zero emissions” here means the vehicle produces no tailpipe pollutants during operation, which is typically achieved with an all-electric powertrain. The speaker uses it to illustrate how regulations can force automakers to shift away from combustion engines.

“Grams per kilometer” is an emissions measurement that expresses how much pollution a vehicle emits over a distance traveled. The speaker cites a threshold (over 94) to argue that Japan enforces limits that push manufacturers toward cleaner vehicles.

The speaker is referring to California using regulation to restrict certain tires, likely including aftermarket options. This is an example of how state-level rules can influence the broader U.S. market, since other states often follow California’s lead.

SEMA (Specialty Equipment Market Association) is an industry organization that represents companies and builders involved in aftermarket automotive parts. The speaker credits SEMA with helping promote and protect enthusiast and collector-oriented modifications and products.

A “collector’s car” registration is a special vehicle status that can allow certain older or historically significant cars to be treated differently by the state. In the transcript, it’s used to explain how enthusiasts may keep and register cars that might not fit normal rules.

The Tesla Model 3 is an electric sedan designed for everyday driving with a focus on efficiency and technology. It’s significant because it became one of Tesla’s most mainstream models, so it often appears in “first car” or “what would you buy” discussions. In the podcast, it’s brought up as the answer to a question about what car someone would want.

Time attack is a motorsport format where drivers run individually against the clock to set the fastest lap time. Builds typically prioritize grip and repeatable braking/handling over outright drag or racing wheel-to-wheel tactics.

Honda Civic is a long-running compact car platform that has a huge enthusiast and tuning following. In this segment, the host contrasts older enthusiasts spending serious money on Civics with the newer crowd gravitating toward EVs like the Model 3.

An IC engine means an internal combustion engine, i.e., an engine that burns fuel to make power. The host’s point is that regulations and market pressure are pushing the industry away from these engines over time.

Twin turbo refers to using two turbochargers to force more air into the engine, improving power and throttle response. It’s a common way to make high-performance “downsized” engines feel strong without using a very large displacement.

A “hot V” layout is a turbo arrangement where the exhaust components and turbochargers are packaged inside the V-shaped valley of a V-engine. This can reduce exhaust gas travel distance, which may improve turbo response, but it also concentrates heat in a tight space.

This refers to rules set by government agencies that determine what modifications and products are legal on public roads. In the context of aftermarket tires, regulation can affect whether certain tire types, sizes, or tread designs are allowed for street use, which directly impacts enthusiasts and shops.

“Takeover culture” is a car-scene phenomenon where groups gather in public places (often roads or parking areas) and perform loud, disruptive driving or stunts. The host frames it as a social problem that can lead to crackdowns, including restrictions that indirectly affect track access and legal motorsport activity.

The host is pointing to social media as an amplifier for risky or disruptive car behavior, because attention and virality can incentivize stunts. That can increase public backlash and make it easier for regulators or property owners to restrict driving events and tracks.

This describes the real-world issue of motorsport venues losing access due to nearby residents and changing land use. As housing expands and communities push back, tracks can face noise complaints, legal challenges, or outright closure—reducing legal places to drive and practice.

The Datsun 240Z (now commonly referred to as the Nissan 240Z) is a classic 1970s Z-car known for its stylish coupe body and enthusiast-friendly performance. In the segment, the host points out how parts and the car itself have become much more expensive over time, even though it used to be relatively cheap.

Formula One (F1) is the top tier of international open-wheel racing, and it’s become a major online content driver. The host mentions it to illustrate how modern car culture is influenced by social media and mass attention.

The 350Z is the Nissan 350Z, a popular enthusiast coupe known for its responsive driving feel and strong aftermarket support. Here it’s referenced as another build platform, alongside wheel and tire choices, which is typical for owners who want to improve grip and stance.

Apex wheels refers to aftermarket wheels sold under the Apex brand. In the context of building an RX-7 or 350Z, wheel choice affects fitment, unsprung weight, and how the car’s tires contact the road.

“Conti” is shorthand for Continental tires, a major tire brand. Tire choice matters for grip, heat behavior, and how well the car’s suspension and wheel setup can put power to the road.

“KWs” most likely refers to KW suspension components (commonly KW coilovers) sold for track and street builds. In a build context, suspension upgrades change ride height, damping, and how the car responds in corners.

Continental Tires is a major tire brand known for performance and motorsport-focused rubber compounds. In this segment, the hosts mention using Continental tires on cars they run in racing series to build experience and compare behavior before committing to a specific spec tire.

Spec racing is a motorsport format where competitors use tightly controlled, standardized equipment—often including a specific tire model—so performance differences come more from driver skill and setup than from buying the “best” parts. In this segment, the hosts contrast an expensive official spec tire with a more available tire they’ll use temporarily to get baseline data.

In motorsport testing, a baseline is the reference point you measure against—like how the car feels and performs on a known tire setup. The hosts say they’ll run Continental tires first to establish that baseline before moving to the official spec tire.

A spec tire is the specific tire model mandated by a racing series for all competitors. Because everyone runs the same tire, it helps equalize grip and tire-related variables; here, the hosts note it’s expensive and difficult to work with.

ECS-02 is a specific Continental tire model name being discussed for its availability in many tire sizes. The key point here is that the same tire model can be sourced in multiple widths and aspect ratios to match different cars and fitment goals.

DWS-06 is another specific Continental tire model name mentioned alongside the ECS-02. The segment emphasizes that Continental offers extensive size coverage for this model too, which matters when you’re trying to run staggered setups or specific aspect ratios.

The Mazda MX-5, commonly called the Miata, is a lightweight two-seat roadster known for fun handling and a simple, driver-focused design. It’s frequently discussed in motorsport and enthusiast circles because it’s relatively affordable and responds well to setup changes. The podcast context mentions staggered setups, which fits how Miatas are often configured for grip and tire performance.

A staggered setup means the car runs different wheel/tire widths front-to-rear—often wider tires on the rear. It’s commonly used to improve grip balance and steering feel, and it also affects what tire sizes you can fit.

Tire aspect ratio is the sidewall height expressed as a percentage of the tire’s width (for example, 30/35/40). Lower aspect ratios usually mean shorter sidewalls and a more responsive feel, while higher ratios can ride a bit softer.

Fitment is the enthusiast term for how well wheels and tires “fit” the car—clearance to suspension, fenders, and brakes, plus how flush or tucked the setup sits. It’s a big part of dialing in stance and avoiding rubbing.

A stance setup refers to the visual and geometric “attitude” of the car—how low it sits and how the wheels sit in the wheel wells. It’s often tied to wheel/tire choice and suspension changes, and it’s why sidewall shape and tire size matter.

Dodge is a mainstream American car brand that has historically been associated with performance cars and, more recently, with branding that’s distinct from Ram for trucks. In this segment, the hosts correct themselves from Dodge to Ram when discussing the apparel post.

The Toyota Tacoma is a midsize pickup truck from Toyota, known for off-road capability and a huge aftermarket. In this segment, it’s used as the example of a truck image that was paired with the wrong brand styling.

The Dodge Neon is a compact car that was produced for many years and is often remembered as an entry-level model. It comes up in enthusiast discussions because of how it was marketed and because there are many variations and years. In the podcast, it’s mentioned in connection with a pre-production photo/post that had incorrect details, like the wrong wheel spoke count.

The Dodge Ram is a pickup truck line focused on hauling and everyday utility. It’s frequently discussed because it has a large presence in the truck market and a big customer base. In the podcast, it’s mentioned through a comment about marketing social media, implying the conversation is about how the brand communicates rather than the truck’s engineering.

The Dodge Stratus is a mid-size sedan that was produced for many years as a mainstream family car. It’s often mentioned alongside other similar-era Dodge sedans when people talk about confusing or incorrect vehicle references. In the podcast, it’s brought up as part of a “weird” mix-up about which car a post was actually showing.

The Porsche 911 is a long-running sports car famous for its distinctive design and rear-engine layout. It’s a benchmark vehicle in the performance world, so it often shows up in discussions about photos, myths, and what people think they’re seeing. In the podcast, it’s referenced as an example of a “not real” image, highlighting how recognizable the 911 is.

The BMW M2 is a compact performance coupe from BMW’s M division, known for being a smaller, more driver-focused alternative to larger M cars. In this mention, “XDrive” refers to BMW’s all-wheel-drive system, which changes traction and how the car can put power down compared with a rear-wheel-drive setup.

The Toyota MR2 is a sports car known for its compact size and sporty handling, with some versions featuring a mid-engine layout. It’s a model that enthusiasts watch because it has a history of being fun and relatively lightweight. The podcast context suggests talk about getting closer to a new MR2, indicating it’s a recurring topic of future plans.

The Dodge Viper is a high-performance sports car known for its aggressive styling and powerful V10 engine. It’s often discussed as a standout American performance icon, which is why successor rumors or related models get attention. In the podcast, it’s mentioned in connection with an AI-generated “Copperhead Viper successor” idea.

The Audi R8 is a high-performance supercar known for its mid-engine layout and track-capable performance. It’s often discussed when new power figures or updates are announced. In the podcast, it’s mentioned as not being an “R8 replacement,” implying the conversation is about a new supercar reveal and where the R8 fits in the lineup.

The Audi Nuvalari is a limited-production supercar project: the host says Audi will build 499 examples. It’s named after Italian racing driver Tazio Nuvolari and is scheduled to start production in early 2027.

The host says the Audi Nuvalari is borrowing a 4.0L V8 from the Lamborghini Temerario. That matters because it suggests the Nuvalari’s performance character will be strongly influenced by Lamborghini’s engine design and tuning approach.