Dieselperforamance.com now has developed an adjustable
electronic controller that enhances the engine braking
Power of the duramax 2004.5 and up.
3 positions that work for you and under a grand.
150 retarding Hp.
if I had a duramax and I will this would be my first purchase!
Ron
electronic controller that enhances the engine braking
Power of the duramax 2004.5 and up.
3 positions that work for you and under a grand.
150 retarding Hp.
if I had a duramax and I will this would be my first purchase!
Ron