Keep harmful fumes from spewing out of your tailpipe when you install bolt on catalytic converters for H3. And, not only do our Hummer H3 catalytic converters not only clean up your emissions, but they also deliver major boosts in horsepower and efficiency.
Have a Question?
Have a Question?Ask a product expert!(800) 874-8888Live Chat
Avoid the pollution police and keep your ride in tip-top shape with Magnaflow Catalytic Converters. These 49-state-legal beauties are constructed from stainless steel, chock-full of smog-scrubbin’ precious metals arranged in a high-flow honeycomb pattern, so they boost performance. 5-year, 50,000-mile external warranty; 2-year 25,000-mile internal warranty.
A clogged catalytic converter blocks your ride’s go-ponies, reducing a Clydesdale-strong engine to a stumbling old mare. Don’t put your ride out to pasture—restore thoroughbred performance with Pace Setter Direct-Fit Catalytic Converters! These puppies fit and flow like your factory converters, but are built far tougher, for maximum longevity. Your Pace Setter Direct-Fit Catalytic Converters are backed with a 5-year/50,000-mile warranty.
With Kooks Ultra High Performance Green Catalytic Converters, you keep both Ma Nature and your lead foot happy. Available in multiple sizes, these performance catalytic converters use a Flow Thru design to clear away restrictions and crank up the ponies. 2-year EPA warranty.
Hurry over to AutoAnything when you're in the market for a new H3 performance cat converter. Our virtual shelves are packed with names like Hummer H3 Magnaflow & Pacesetter catalytic converters. Plus, we back all Hummer accessories with our lower price guarantee. So, you won't pay less anywhere else.
Hummer H3 Catalytic Converters are Available for the Following Trims & Body Styles: