Alpha Hummer H1 6.6 Duramax Exhaust
4″ Performance Exhaust
Power increased by 10hp & 15ft/lbs of torque providing Rapid Torque & Horsepower gains!
What can a 4” Predator Performance Exhaust System do for your H1? Dramatically improve your H1’s tone, increase in horsepower, and Fuel Economy.
Having that extra boost in power can also make your life a lot more fun in off-road terrain. Giving you that extra push you need to keep from getting stuck. If you live at a high elevation and often find your H1 struggling a little to climb steep roads, the extra power added by our 4” Performance Exhaust System can help you out there too.
The Off-Road Pipe removes your catalytic converter for off-road performance gains and constructed of high quality stainless steel.
**For off-road and testing purposes only
Adventure Accessories is the #1 supplier of parts and accessories for the Hummer H1. If you have any comments or care to share how we may improve your shopping experience, please call toll free 1-800-HUMMER-9 or local and overseas call 636-777-7600. We would love to hear from you.