E1121 Gloss Black 18x8 ET35 5x120 – (Square Set of 4) GT3 Material Option: FRP PCF FGPCF

Material Option: FRP PCF FGPCF DRYPCF

this direct-fit catalytic converter also interchanges with OE parts 28600-1R220 and 28600-1W850

Give your Silverado or Sierra the performance and sound it deserves

have been torture-tested to 1 million cycles on our hydraulic test rig

A high-density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow to your engine and provides a guaranteed increase of 19

E1121 Gloss Black 18x8 ET35 5x120 – (Square Set of 4) GT3 Material Option: FRP PCF FGPCFE1121 Gloss Black Square Set designed for a clean, premium OEM style look with modern aftermarket presence. Popular OEM style look for Euro platforms including BMW, Mercedes Benz, Audi, Volkswagen (VW), and Porsche (verify fitment before purchase). Note: Fitment depends on your exact vehicle, brakes, suspension, and offset requirements. If you need help confirming fitment, message us with year make model and current setup. Diameter: 18" Setup: Square