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(3) AN FPR fittings
no white control)
By creating more intake manifold volume along with a better air fuel mixture you will make more power and get better fuel economy
Single exit — Stainless Steel tip
Improves the horsepower
COBB Tuning Cat Back Exhaust Stainless Steel - 2002-2007 Subaru WRX/STI PDM_oil-control-devices (3) AN FPR fittingsThe Cobb Stainless Catback: The Sound Your GD WRX STI Deserves The Cobb 3 inch Stainless Steel Cat Back Exhaust for the 2002 2007 Subaru WRX STI is a mandrel bent stainless steel system designed to free up the exhaust restriction downstream of the catalytic converter and give the GD WRX STI the exhaust note it should have come with. The 3 inch piping supports Stage 2 and Stage 3 power levels without becoming the restriction in the exhaust system. 3