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Does Cobb's Project Green Speed mean the end of WRX tuning? Fear not, it's still possible to make great power after this update. Here's what you need to know.

We've got everything you need to know about the 6.4L Hemi and its variants, from specs to common problems, and more.

The BMW B58 powers a wide range of BMW cars, as well as the Toyota Supra. We've got everything you need to know about this legendary engine here.

Looking to keep your Honda K24 powered car running in top shape, or thinking of buying a car powered by this engine? Here's what you need to know.

Looking to keep your 370Z, G37, or other VQ37VHR equipped car running like new? Want to buy a car with this legendary engine? Here's what you need to know.

If you're looking to keep your 350Z or G35's engine in top shape, or thinking of buying a car with with a VQ35DE, then we've got everything you should know.

Looking to buy an EJ25 powered Subaru, or just keep yours running in top shape? We've got everything you need to know.

Looking to learn more about Subaru's FA20 engine? We've got all of most important specs, information, and common problems you need to know about here.

Looking for a brake upgrade for your Subaru WRX? We're here to help you sort through all the various options and decide what's right for you, and find something at a price that matches your budget.

If you want to customize your Subaru's interior, luckily there are a ton of aftermarket parts. Check out our list of the best 2015-2020 WRX interior mods and get started.

Upgrade your WRX or STI's stick shift knob with a new one from Billetworkz, Mishimoto, Perrin, and others. Add some extra weight and style.

The Crosstrek can make it through some even more impressive terrain. We've rounded up the best lift kits for the Subaru Crosstrek to make it even better.

We've compared the best tires for the Subaru Crosstrek and XV Crosstrek, all-season or winter/snow, for any budget.

We've rounded up the best tires for every category: track, summer performance, all-season, and winter for the Nissan 350Z.

We've rounded up the top coilovers for G35 and 350Z, whether you just want lower ride height or want all-out handling performance.

We've rounded up the best 350Z exhaust systems and compared them. No matter your budget, or how loud you want your car to be, we've found something for you.

We've rounded up the best BRZ / FR-S / 86 interior mods, so you can personalize the interior of your car just to your liking.

Subaru and Toyota made the BRZ / FR-S / GT86 a great handling car already, but if you want to take it further, check out our list of the best coilovers.

While the 370Z is a great handling car from the factory, car enthusiasts always want more. We've compiled a list of the best G37 / 370z coilovers.

Like most cars, the 370Z's factory exhaust leaves something to be desired. We've rounded up the best aftermarket 370Z exhausts for the best sound and power.

Confused by the different "stages" people talk about when they modify their Subaru WRX? Read on to learn more about what's required for each of the wrx stages.

If you're looking for new Nissan 370z tires, then we've compiled a list for you. See how the top summer performance, all-season, and winter tires stack up.

Looking for an easy way to personalize your car's interior? These shift knobs and weighted shift knobs are easy to install and fit the BRZ, FR-S, and 86.

The BRZ, FR-S, and 86 are excellent affordable sports cars. They're just missing one thing... more power. A supercharger kit is an easy bolt on way to fix that.

Looking for new tires for your Subaru BRZ, Scion FR-S, or Toyota 86. We've rounded up the best for summer, all season, and winter for any budget.

There are many great dual action polishers for any budget. Don't try to polish you car by hand, attack those swirls are surface imperfections fast.

When polishing compound isn't enough to correct your car's paint and make it shine, you'll need rubbing compound. We've compiled a list of our favorites.

Looking for the best polishing compounds so you can make your car shine. We've compiled a list of the best polishing compounds to get rids of those swirls.

Gone are the days when washing a car means bringing out a bucket of soapy water and hose. Waterless or rinseless car washes do the job in a fraction of the time.

Looking for new tires for your Subaru WRX? Whether you need all-season, summer, or winter tires, we'll help you find the right ones in the right size.

We've compiled a list of our favorite spray sealants and waxes, so you can keep your car looking fresh for years to come with ease.

Looking for the best microfiber towels for auto detailing? We've compiled a list of our favorites for drying, washing, waxing, and windows.

Many Subaru owners like to monitor knock correction on their AccessPort. We'll explain feedback knock, fine knock learn, and DAM and how they work together.

If you want some more roar from your car, these Subaru WRX axlebacks will give you what you're craving, whether you want muffler deletes or something quieter.

An aftermarket catback for the Subaru WRX really makes it sound aggressive and sportier. We've rounded up the best, whether you want something quiet or loud.

Looking to make big power? Upgrading to an aftermarket top mount intercooler is one of the important parts to get you there. We've compiled a list of the best.

For the 2015+ WRX, a downpipe, otherwise known as a j-pipe is one of the best upgrades for power. We've rounded up the best catless and catted downpipes.

Want to lower your WRX? Lowering springs are the most affordable way you can do that with great results. We've reviewed the best ones.

Ready to hear all the crazy turbo sounds you're dreaming of? Hear the turbo spool up, and listen to those blow off sounds with these 2015-2020 WRX intakes.

Looking to improve the handling and lower the ride height on your Subaru WRX or WRX STI? These are the best coilovers for any budget.

Looking to add some of your own personality and style to your 2015+ WRX / STI? We've compiled a list of our favorite exterior mods.

It seems almost every Subaru WRX you'll see has mud flaps installed. With popular choices like RokBlokz and Rally Armor, which one is best?

The 2015-2020 Subaru WRX's front end looks great, but a bit naked without a lip. You can dress up your car for some more aggressive looks with these front lips.

Keep your Subaru WRX's engine clean with an air oil separator or catch can. Prevent carbon buildup on your intake valves.

A car like the Subaru BRZ / Scion FR-S / Toyota 86 deserves to have a great sounding exhaust system. We've compiled a list of the very best.

Is the Fumoto valve worth using on the 2015+ Subaru WRX? Does it make your oil changes easier, and is it safe? We've tested and reviewed it and found out.

In this guide, we've compared the best BRZ turbo kits to help you decide on the best option for turbocharging your FA20/4U-GSE engine, and adding serious power.

If you want to keep your Subie running great for a long time, it's important you use the right motor oil. We've rounded up the best motor oil choices and compared them below.

The Perrin Shift Stop is a great, easy way to make your WRX smoother and easier to shift. Is the shifter stop worth it? Read on to see our thoughts.

Ready for more power with your Subaru WRX and want to go stage 2? Luckily there are complete kits from many different brands. Let's find out which one is best.

If you're looking to add a lot of power to your Subaru WRX without going to extreme lengths, adding a Flex Fuel kit is one of the best modifications you can do.