Twisted Steel Down Pipe 3 to 2-3/4 IN 304 Stainless Steel w/ Cat

Add dyno-proven power to your Mini Cooper with this Twisted Steel down-pipe which produced up to +16 horsepower and +20 lbs. x ft. torque max gains as measured on our in-house dyno. 3" to 2-3/4" mandrel-bent, 304 stainless steel tubing and high Flow, 400 CPSI catalytic converter improves exhaust Flow to deliver increased horsepower and torque. This direct bolt-on down-pipe requires no cutting or drilling and includes quality hardware for a hassle-free installation. Performance Gains: In house dyno testing produced gains of up to +16 horsepower and +20 lbs. x ft. torque (tested with catalytic converter). Includes 3rd O2 bung: This down pipe includes a 3rd O2 bung and plug for either a wide-band O2 gauge or auxiliary instrumentation. 304 Stainless Steel: 3" - 2-3/4" mandrel-bent, 304 stainless steel tubing for maximum Flow and corrosion resistance. High-Flow Catalytic Converter: This system utilizes a 400 CPSI (cell per square inch) high Flow catalytic converter for maximum Flow. 6" Interlock Flex Pipes: This unit utilizes heavy duty 6" flex tubes with internal interlock liners. CNC Machined Flange: Quality CNC machined flange mounts directly to OE mounting locations for a leak-free sealing surface. Hassle-Free Installation: Designed to be a true bolt on system with no cutting or modifications required. Quality hardware is included for a hassle-free installation. TIG-Welded: 100% TIG-welded for race proven strength and durability. All aFe exhaust systems are engineered and manufactured in our Corona, California facility. +20 lbs. x ft. TQ & +16 HP High Flow 400 CPSI catalytic converter 3 IN to 2-3/4 IN mandrel-bent, 304 stainless steel tubing for improved Flow CNC machined flange for a leak free seal 100% TIG-Welded for Strength and Durability

2016-2018 BMW X1 xDrive28i sDrive28i (Aspiration: Turbocharged & Engine Designation: B46A20B & Liter: 2.0 & Cylinder: 4 & Block: L & Fuel: GAS & Mfr Body Code: F48) 2017 Mini Cooper Countryman S (Aspiration: Turbocharged & Engine Designation: B46A20M0 & Liter: 2.0 & Cylinder: 4 & Block: L & Fuel: GAS & Mfr Body Code: F60) 2015-2017 Mini Cooper S (Aspiration: Turbocharged & Engine Designation: B46A20M0 & Liter: 2.0 & Cylinder: 4 & Block: L & Fuel: GAS & Mfr Body Code: F55, F56, F57) 2016-2017 Mini Cooper Clubman S (Aspiration: Turbocharged & Engine Designation: B46A20M0 & Liter: 2.0 & Cylinder: 4 & Block: L & Fuel: GAS & Mfr Body Code: F54)