Greddy GPP RS-Race Cat Back Exhaust Subaru WRX / STI 2015-2021 wrx limited 4dr hatchback this allows the use of

this allows the use of larger piping

The aluminum manifold makes a great replacement for the stock plastic unit

The DV mounts to the turbo

Measured Pressure Drop

From time attack to drifters

Greddy GPP RS-Race Cat Back Exhaust Subaru WRX / STI 2015-2021 wrx limited 4dr hatchback this allows the use ofPreorder now! Plan on waiting a few weeks! The GPP RS Race for the 2015 on Subaru WRX STI is our most aggressive looking system for the VA sedan chassis. The RS Race is ideally suited applications, which require less sound suppression and maximum flow. (with the factory catalytic converter, this application has a surprisingly mild sound level for cruising and a good rumble under wide open throttle.) This light weight, large diameter, full stainless