If you are looking for a highly engineered down pipe look no further than the aFe Power Mach Force XP Down Pipe. Down pipe is 100 percent TIG welded and uses a stepped design that increases exhaust velocity and eliminates low pressure drops which helps to scavange the exhaust for increased intake charge and more power. Race proven strength and durability. Designed using a resonance chamber to help reduce the in-cab resonance found with other down pipes. All hardware and brackets are included for a hassle-free installation.. MACH Force-Xp 3 IN 409 Stainless Steel Downpipe GM Diesel Trucks 04-10 V8-6.6L (td) LLY/LBZ/LMM. MACH Force-Xp 3 IN 409 Stainless Steel Downpipe. High-Temp Ceramic Coating Inside And Outside. 3 in. Mandrel Bent Stainless Steel Tubing. MACH Force-Xp Stainless Downpipe. aFe Exhaust Downpipe Back. 2 Year Limited Warranty. MACHForce XP Down Pipe. CNC Machined Flanges. 409 Stainless Steel. Exhaust System Kit. Stainless Downpipe. 100% TIG-Welded. TChrgrDownPipe. Direct Bolt-On. No Bungs

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