H3 Performance Upgrade Kit

H3 Hummer Performance Upgrade Kit

Add an additional 15HP with the SMA H3 Sport Exhaust System. Made of Polished T-304 Stainless Steel, this is the ultimate exhaust system for the H3. With an aggressive, but mellow sound, this system looks as good as it sounds.  Throw in a  H3 Air Intake System that Increases the performance of your H3 by 14HP!  That is a total increase of 29 HP in this kit!  This air intake kit comes complete with a reuseable high flow air filter and cool air enclosure to provide the engine with more air and MORE POWER!