Bully Dog Big Rig Ceramic Coated Exhaust Manifold For 93-03 Detroit Series 60 12.7L & 14.0L Freightliner & Western Star Trucks hitch receivers diameter piping that passes 2

diameter piping that passes 2 Straight-Through mufflers ending in a Dual Split Rear exit with 4

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Heavy Duty Up Pipes

All options integrate seamlessly with the new ST5

Bully Dog Big Rig Ceramic Coated Exhaust Manifold For 93-03 Detroit Series 60 12.7L & 14.0L Freightliner & Western Star Trucks hitch receivers diameter piping that passes 2Bully 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