This system produced gains of up to +11 HP and +19 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8 IN - 2-1/4 IN mandrel-bent 304 stainless steel tubing for...

This system is constructed of 1-5/8 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes a single high flow catalytic converter which is less restrictive than the...

These BBK shorty Dodge exhaust headers are made using 1-5/8" CNC-mandrel bent primary tubing along with 3/8" thick laser cut exhaust flanges to prevent heat distortion. The full length primary tube...

Long Tube Headers: Formed Collectors: 3-to-1 mitered collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response...

Invidia 02-07 Subaru Impreza WRX/STI High Flow Catted Downpipe w/ Extra 02 Bung

Invidia 02-06 Nissan 350Z / Infinity G35/FX35 Test Pipe with High Flow Cat

Invidia 09+ Nissan 370Z / Infiniti G37 60mm High Flow Cat w/ Bracket

Front Pipe; Catalytic Converter; 2015 Subaru WRX; Pipe # 1 Only 2015-2019 Subaru WRX Fitment: SubaruWRXBase2015 SubaruWRXLimited2015 SubaruWRXPremium2015 SubaruWRX STIBase2015 SubaruWRX STILaunch...

Front Pipe w/Catalytic Converter; 2015-2016 Subaru WRX (6MT Only) 2015-2019 Subaru...

Dowpipe; High Flow Catalytic Converter; 2008-2012 Subaru WRX/STi 2008-2014 Subaru WRX, 2008-2014 Subaru WRX STI, 2004-2007 Subaru Legacy...

2008+ EVO X High Flow Catpipe 2008-2012 Mitsubishi Lancer Evolution Fitment: MitsubishiLancerEvolution Final Edition2015 MitsubishiLancerEvolution GSR2008 MitsubishiLancerEvolution...

Stealthback Exhaust System; High Flow Catalytic Converter; Fits with OEM Muffler; 2002-2007 Subaru WRX/Sti; 2004-2008 Forester XT 2002-2007 Subaru Impreza WRX, 2002-2007 Subaru Impreza WRX...

RX8 Catpipe; 04-10 2004-2011 Mazda RX-8 Fitment: MazdaRX-840th Anniversary Edition2008 MazdaRX-8Base2004 MazdaRX-8Base2005 MazdaRX-8Base2006 MazdaRX-8Base2007 MazdaRX-8Grand...

High Flow Catalytic Converter Pipe; 2002-2007 Subaru WRX/Sti; 2004-2008 Forester XT 2002-2007 Subaru Impreza WRX, 2002-2007 Subaru Impreza WRX STI Fitment: SubaruForesterSports 2.5...

2008+ WRX/STI High Flow Cat (fits: 2005-2008 Legacy GT) 2008-2014 Subaru WRX, 2008-2014 Subaru WRX...