Testing:
•In testing, this down-pipe produced a max gain of +18 horsepower and +21 ft. lbs. of torque verified by our in house dyno (tested on 2015 Cadillac ATS L4-2.0L (t))

aFe power introduces an all new Twisted Steel “Street” down-pipe for the 2013-2017 Cadillac ATS with I4-2.0L (t) engine. This street version down-pipe is designed using a 400 cpsi catalytic converter and constructed of 3″ 100% TIG-welded, mandrel-bent, Bushed, 304 stainless steel tubing for optimum flow resulting in added horsepower and torque. This performance down-pipe utlizes 1/2″ thick 304 stainless steel flanges and comes with an additional O2 Bung for tunning. This unit includeds an O-ring and mounting hardware for a hasle free installation.

Catalytic Converter:
This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow.

O₂ Sensor:
Includes an additional bung for either a wide-band O₂gauge or auxiliary instrumentation.

Factory Mounting Locations:
This down-pipe mounts directly to OE mounting locations and includes hardware for a hassle-free installation.

1/2″ Laser-Cut Flanges:
1/2″ Thick, OE-Style, 304 stainless steel, laser-cut flanges provide a superior sealing surface. The turbo flange features a machined O-ring groove.

TIG-Welded:
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.

Brushed 304 SS Construction:
This down-pipe is constructed of 3″, mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

aFe down-pipes are engineered and manufactured in our Corona, California manufacturing facility.

Note: This system is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.