Don’t be fooled by the catted J-Pipe as just like the catless, the stainless steel piping features 3” in diameter in order to improve exhaust flow.Ĭompleting the connections between the intake and the turbo lays the Tomioka Racing Turbo Inlet Hose. With both being bolt-on solutions, going with either a catless or catted J-Pipe will work with the 2015+ WRX factory cat-back exhaust. Available for the 2015+ Subaru WRX, Tomioka Racing J-Pipes are already available for purchase! These J-Pipes come in two different variants, the first being catless and the second being catted. See the differences in the following images:Īlso paired with the new turbocharger is the Tomioka Racing Catless J-Pipe and Turbo Inlet Hose. This hybrid bolt-on Garrett® ball bearing upgraded turbocharger will be available for the 2015+ Subaru WRX. Tomioka Racing’s GT29 turbo is a new product designed for more power with its billet compressor wheel that is 20% larger and wheel-blade that is 17% longer than on the factory turbocharger. Tomioka Racing was the go to brand for the setup, including a GT29 Turbo, Catless J-Pipe, and Turbo Inlet Hose. Recently completed, this 2015 WRX was equipped with a whole new turbo setup.

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2015 wrx upgrade turbo