AVAILABLE IN CHROME OR BLACK CERAMIC Why bottle it up with restrictive stock exhaust? Unleash your bike and witness the deep roar coming from the RPW USA THOR. The THOR is a 2 into 1 system that delivers intoxicating sound, leaping power and maximum performance. This premium 2 into 1 exhaust header is crafted using 1¾” mild steel tubing transitioning to a 2½” collector. The muffler is a 2½” to 4” cone design finished off with a brilliant T-6 billet end cap. This set is complete with header heat shields, baffles and mounting hardware. Flawlessly finished in triple-chrome or black ceramic.