PSR Racing Unequal Length Exhaust Manifold/Headers Subaru WRX 94-14/STI 94-17/Forester 97-13/Liberty 04-09 - Inlet flange gasket

- Inlet flange gasket

and low down power and torque is sacrificed (particularly on naturally aspirated cars)

A larger pipe diameter of all sections enables better flow of exhaust allowing for higher power and torque and better turbo spool

but in the vast majority of cases this is far from the truth

- V-Band turbine outlet flange

PSR Racing Unequal Length Exhaust Manifold/Headers Subaru WRX 94-14/STI 94-17/Forester 97-13/Liberty 04-09 - Inlet flange gasketSKU: TR ES1000 PSR all stainless steel exhaust manifolds are a tried and true solution for improving more power and torque through the entire RPM range of your Subaru. These single scroll Unequal length exhaust manifolds suit all EJ20 EJ25 single scroll turbo Subarus including Classic GC8 GF8, GDA GDB, GH GE GR GV and the final gen VAB STI. Lost wax finished flanges with a 4 1 collector and a smooth inner surface allows for better flow and