Mac 98-99 LS1 Camaro/Firebird Off-Road Y-Pipe
Mac replacement high flow Y-pipe is made with 2½" 16ga. tubing. They replace the crushed factory style exhaust tubing and contain o2 sensor bungs where necessary. The off-road version is for non emissions applications and requires the use of O2 simulators (available seperately).
1998-1999 LS1 Camaro/Firebird