Downpipe, AFE, 2013-19 ATS, Twisted Steel, Turbo

304 Stainless tubing

100% TIG Welded

AFE's all new Twisted Steel downpipes are 100% TIG-Welded and constructed from 3" mandrel-bent, brushed finish 304 stainless-steel tubing that utilizes 1/2" thick, OE-Style, laser-cut Turbo flanges. Flanges feature a machined O-ring groove (includes O-ring and mounting hardware for a hassle-free installation). Also offers an additional bung supplied for either a wide-band O2 gauge or auxiliary instrumentation.

The Race system offers a more aggressive sound and performance. Does not include catalytic converter This item is for racing applications only. The Street system utilizes a 400 CPSI catalytic converter for maximum flow. In testing this down-pipe produced a max gain of +18 horsepower and +21 ft-lbs. of torque verified by AFE's in-house dyno tested on 2015 Cadillac ATS L4 2.0L turbo. Backed by AFE's 2 year warranty