GrimmSpeed HiFlow Exhaust Manifold Crosspipe Subaru WRX 06-07 / Forester XT 04-08 | 002001 Vehicle Model_GT-R The PERRIN STI Wing Stiffys

The PERRIN STI Wing Stiffys reduce flex and bounce in your wing while adding WRC styling

This product cross-references with Subaru part number 44022AA160

Cross-member Supplement Washers

Hotchkis Sport Suspension 22413 Nissan 350Z / G35 Sport Sway Bars

Dodge/Jeep 4549636

GrimmSpeed HiFlow Exhaust Manifold Crosspipe Subaru WRX 06-07 / Forester XT 04-08 | 002001 Vehicle Model_GT-R The PERRIN STI Wing StiffysFitment Information: 2006 2007 Subaru WRX 2004 2008 Subaru Forester XT Features: The GrimmSpeed HiFlow Exhaust Manifold Crosspipe was developed specifically for the Subaru WRX 06 07 and Forester XT 04 08 to optimize exhaust gas flow. 50% of the exhaust gases pass through the narrow OEM pipe, which can create challenges in performance if not addressed properly. To ensure reliability, GrimmSpeed uses high grade components in their product fabrication,