Billy Boat Exhaust: 2005-13 CHEVY C6 CORVETTE LONG TUBE HEADERS 1 7/8″ (INCLUDES GRAND SPORT) cordes Built from 6061-T6 billet aluminum

Built from 6061-T6 billet aluminum

This Large Bore-HD series exhaust system is constructed of 4" mandrel-bent

Ball joints allow for more articulation than a rod end

Designed with a transverse

Billy Boat Exhaust: 2005-13 CHEVY C6 CORVETTE LONG TUBE HEADERS 1 7/8″ (INCLUDES GRAND SPORT) cordes Built from 6061-T6 billet aluminumThe header design incorporates the correct firing sequence which pairs exhaust ports together for more efficient exhaust scavenging. Dyna testing, utilizing technology previously found in racing applications has shown an increase of horsepower and torque throughout the entire RPM range. The 1. 75 tube flows seamlessly to a 3, 4 into 1 collector. Mandrel bent from the highest grade T 304 stainless steel. Designed, tested, and manufactured to the finest