Signature 600 Ceramic Coated Exh Manifold '99-'03

Replaces OEM #3880199. The 85101 manifold has quickly become one of the most popular manifolds. Designed to work on the ISX Signature 600 engines, this manifold bolts up directly with the Bully Dog #56100 Cummins turbo. Turbo studs are included.

• Better design, pressure fitted to eliminate leaks.
• Sharp corners have been smoothed for better flow.
• High Quality material to eliminate cracks.
• Ported to eliminate any flow interference.
• Ceramic Coated cooling EGT by 100 degrees.
• Fuel Mileage increase.
• 20-30HP Increase.