Invidia 2015-2021 Subaru WRX w/ MT J-Pipe With Bottom High Flow Cat Down Pipe

Enhance the performance and unleash the true potential of your 2015-2021 Subaru WRX with the Invidia Catted J-Pipe and Downpipe. Designed to replace the factory restrictive J-pipe and downpipe, this upgrade is engineered to optimize exhaust flow and turbocharger efficiency for a significant boost in horsepower and torque. Crafted from high-quality 304 stainless steel, the Invidia J-Pipe and Downpipe feature a 3-inch piping diameter and smooth bends to minimize restrictions and turbulence, ensuring unobstructed flow from the turbocharger to the cat-back exhaust system. Featuring a built-in high-flow catalytic converter and (2) O2 sensor bungs, this 2-piece downpipe design maximizes performance while reducing turbo lag and improving throttle response. It's important to note that a tune is required to optimize the power and running condition of your vehicle after installing aftermarket downpipes. Additionally, while the bottom piece includes a built-in high-flow catalytic converter, it do