aFe Twisted Steel HDR X-Pipe SS-304 01-06 BMW M3 3.2L S54 2003-infiniti-m45-esi6320606 many vehicle owners have found

many vehicle owners have found these factory units are prone to failure

Bright chrome on T-304 stainless steel tips and black chrome on T-304 stainless steel tips are also available

free-flowing silicone tube that improves airflow and durability

bung and plug for either a wide-band O

2006-2008 Porsche 911 Carrera 4 1997-1998

aFe Twisted Steel HDR X-Pipe SS-304 01-06 BMW M3 3.2L S54 2003-infiniti-m45-esi6320606 many vehicle owners have foundUpgrade your Z4 M Coupe exhaust with the Twisted Steel 2 " race pipe. Mandrel bent from 304 stainless steel tubing for maximum exhaust flow and corrosion resistance, the mitered merge "X" pipe eliminates drone and maximize scavenging. This system delivers gains of up to +13 horsepower and +20 lbs. x ft. of torque when tested with PN 49 36339 exhaust and are 100% hand TIG welded for strength and durability. Includes high quality gaskets and is a direct