【Precision Fitment】Compatible with 2007-2012 Chevrolet Colorado/GMC Canyon L5 3.7L, 2007-2008 Hummer H3/Isuzu i-370 L5 3.7L (Replace OE: 12604221/16578/641338.). 9-bolt inlet & 3-bolt outlet flanges ensure direct bolt-on replacement with no cutting required.
【Hassle-Free Installation】Flange-to-flange connection with pre-installed heat-resistant gaskets and full hardware kit enables quick installation for both DIYers and professionals.
【EPA-Compliant Efficiency】EPA-compliant for federal emissions (excl. CA/NY/CO/ME), high-flow design reduces backpressure while maintaining conversion efficiency, avoiding check engine lights.
【Trusted Reliability】Our high-quality catalytic converter comes with a one-year guarantee. Contact us with any questions or concerns before purchasing. (Contact us via Amazon email)