DynoMax® Performance Exhaust

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DynoMax ULTRA4 SPEC race car
15 Photos, Last Updated On: December 17, 2013


We are proud to be the official exhaust for the Spec class at the 2014 King of The Hammers and the Ultra4 Racing series. Our Race Bullets and builder parts are used on these cars!
Falken Tire has their new 37" MT tire on the race car.
Jimmy's 4x4 built the chassis and the vehicle.


FOX shocks and PAC Racing Springs dampen the corner.
Spidertrax Off-Road provided the housings that are stuffed with a 10" ring set from Yukon Gear & Axle
Yeah, it's got a HEMI.
Our builder parts.

Advance Adapters Inc. provides the venerable ATLAS II.
12voltguy.com made the switch panel.
I love high quality built parts! Our DynoMax builder parts and Race Bullets ready for ceramic coating from Dave over at Chappelle's Exhaust and Kustoms. He builds amazing rides!!