Downpipes

T304 stainless steel 3" diameter 700 CPSI catalytic converter that does not cause a check engine light High grade v-band clamp connections for advanced leak protection 100% mandrel bent Fits both OEM and aftermarket exhausts Fully TIG...

NEW! Will not activate check engine light T304 stainless steel 3" diameter 400 cell catalytic converter Better fuel mileage High-flow catted downpipe 100% mandrel bent Fits both OEM and aftermarket exhausts Fully TIG welded CVF...

NEW! Will not activate check engine light Features 200 cell high-flow catalytic converter Direct bolt-on replacement T304 stainless steel 100% mandrel bent Fits both OEM and aftermarket exhausts Fully TIG welded CVF Lifetime...

Diamond Eye Manufacturing is recognized as being one of the most modern and progressive companies in eastern Oregon. The company has invested heavily to incorporate several CNC mandrel bending machines and support equipment, Enabling us to produce the...

This aFe POWER turbo downpipe is engineered to outflow and outperform the restrictive, factory downpipe on the 2015 - 2016 GM Truck with V8-6.6L (td) engine. The mandrel bent, stainless steel tubing offers smoother transition bends for increased airflow,...

BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered for performance diesel applications. Located in Abbotsford, British Columbia, Canada, BD's state-of-the-art...

This aFe POWER turbo downpipe is engineered to outflow and outperform the restrictive, factory downpipe on the 2011 - 2015 GM Truck with V8-6.6L (td) engine. The mandrel bent, stainless steel tubing offers smoother transition bends for increased airflow,...

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...

Optimize your 01-04 LB7 GM diesel's airflow to improve throttle response with aFe's ATLAS 3" turbo down-pipe.Constructed from 3" mandrel bent steel tubing for maximum flow, the larger tube diameter and smooth transition bends allow increased airflow...

This Twisted Steel Loop Delete Down Pipe replaces the factory loop section on the Jeep JL exhaust after the catalytic converter to accommodate most aftermarket long-arm lift kits that interfere with the factory exhaust loop. Constructed from 2-1/2"...

The aFe Mach Force XP Loop Delete/Y-Pipe combo package is engineered to replace the stock loop section and y-pipe to accommodate long arm travel lift kits that interfere with the OE loop and Y-Pipe. This product is constructed of mandrel bent, 2"/2.5"...

LLY/LBZ/LMM/LML Duramax 3" Down pipe for S400 turbo with 4.6" Diameter flat exhaust outlet flange (Half marmon). This down pipe mates to the exhaust system v-band flange with OEM clamp for easy install. Must be used with a T4 pedestal between 5.5-6.5"...