Exhaust Parts

Stop Rear Mount Failures on Your Thunderheader ExhaustFor years in our welding shop, we’ve repaired blown-out rear mount tabs on Thunderheader exhaust systems. The factory setup uses a small bolt head in the slotted flange, which can cause the slot...

SEO Product Description When fabricating a custom exhaust system, U-bends and straight tubing are easy to find — but the exhaust flanges that connect your pipes to the cylinder head can be harder to source without sacrificing a factory system. Our...

Fabricate your exhaust system with our heavy-duty Shovelhead Exhaust Flanges, designed to provide a stronger, more reliable seal for your Harley-Davidson Shovelhead motor. Unlike thin factory-style flanges, these are CNC cut from extra-thick 1/4" plate...

These bungs are for adapting your custom exhaust system to work with your fuel injections factory O2 sensors: Made of 1018 mild steel Tapped to fit 18mm x 1.5 or the later 12mm O2 sensors used by Harley and other OEM applications 1" O.D. for 18mm 3/4 od...