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.
ThinkTuning is a blog dedicated to car enthusiasts who love modifying, tuning, racing, and just driving their cars. We have guides and reviews for the top modifications you can purchase to make your car better and faster. We feature guides on car modification and buying the right mods, and car culture.
We have car mod guides for the Subaru WRX and WRX STI, Subaru BRZ / Toyota 86 / Scion FR-S, Nissan 370Z, and Nissan 350Z with more to come. We’ve noticed that it’s challenging to find all the information you need when modifying your car, so we’ve decided to try and collect, and combined with experience, make it easy car enthusiasts to modify and tune their own cars.