Hooker Blackheart LS Swap Exhaust System, Stainless BH14307

Optional Adapter Pipes (sold separately): 70701317-RHKR - Use with Hooker Exhaust Manifolds 70701315-RHKR (2.5-inch), or 70701316-RHKR - Use with Mid-Length Swap Headers (race use only) 70701318-RHKR - Use with long-tube headers and 2.5-inch exhaust system BH14306 (race use only) Requires double hump style crossmember (i.e. 12644HKR or 12644HKR-1) since the factory crossmember doesn't have clearance for dual exhaust.