Bully Dog Big Rig Ceramic Coated Exhaust Manifold For 2004-2007 Cummins ISX EGR 2007.5-2010 6.6l lmm duramax 42 lb-ft TQ

42 lb-ft TQ

4 clutch 4th Clutch pack with GPZ clutches

1994–2003 Ford E-250/E-350/E-450 7

2015-2020 GMC Yukon XL 5

1992 Mitsubishi Expo SP

Bully Dog Big Rig Ceramic Coated Exhaust Manifold For 2004-2007 Cummins ISX EGR 2007.5-2010 6.6l lmm duramax 42 lb-ft TQBully Dog Big Rig premium ceramic coated exhaust manifolds are the fastest flowing exhaust manifolds in the industry. Designed for superior heat control and exhaust flow, they help your turbo spool more quickly. Whether you are looking to replace a faulty or leaky exhaust manifold on your rig, or just want to experience the difference a performance exhaust manifold can make in your daily driving, you can expect higher power output, lower temps and