Cobb Tuning Cat-Back Exhaust Replacement Hardware - Subaru WRX 11-14/STI 08-14 (Hatch) AUDI_RS4_B7 No fuel starvation during hard

No fuel starvation during hard cornering

Complete kit with all necessary components for remote mount fill neck installation

5" (38mm) inside diameter

Extension kit engineered by Radium Engineering for FCST-X fuel cell surge tanks

Cobb Tuning Cat-Back Exhaust Replacement Hardware - Subaru WRX 11-14/STI 08-14 (Hatch) AUDI_RS4_B7 No fuel starvation during hardExhaust gasses are guided through 3 inch diameter tubing into the center inlet of the fully 24 inch wide muffler section. Internal to the muffler, the exhaust gasses pass through a reversed Y merge, efficiently splitting the exhaust into separate muffling chambers on each side of the canister. 2. 5 inch outlets emerge symmetrically from each side of the canister and direct the exhaust out the rear through quad polished exhaust tips. This straight