Rev9 DS Cast Exhaust Manifold for GM Vortec LS3 LS4 Silverado Sierra Avalanche G35X Requires Cutting of Factory Exhaust

Requires Cutting of Factory Exhaust Pipe for Installation (1-3/4" From the Muffler)

3 Spacer Thick 17mm Outer diameter 150mm Inter diameter (Center Bore) 64

P/N: MMX2940

a performance

Rev9 DS Cast Exhaust Manifold for GM Vortec LS3 LS4 Silverado Sierra Avalanche G35X Requires Cutting of Factory ExhaustRev9 cast iron exhaust manifold are extreme durable and easy bolt on installation. **Driver Side** Features: Extremely Strong Casting Designed To Integrate w LS Swap Improve Exhaust Efficiency Bolt and Gasket are NOT INCLUDED Fitment Chart: Compatible with Chevy Silverado 1500 1999 2013 4. 8L 5. 3L 6. 0L 6. 2L engine Compatible with Chevy Avalanche 1500 2002 2006 4. 8L 5. 3L 6. 0L 6. 2L engine Compatible with GMC Sierra 1500 4. 8L 5. 3L 6. 0L 6. 2L