i ordered the diesel shift enhancer for my 93 k3500 singel wheel it was so easy 2 put on an the diffrence in the way it made my old truck shift was amazing thanks 2 every 1 at ssdiesel an beleave me i will order from yall in the future thanks again
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From: mathew g.

i wanted to buy the 4" exhaust, but my turbo wasnt working, Walt patiently walked me through the process of elimination on how to fix the turbo first before buying the exhaust. thanks Walt, you have got to be one of the nicest guys!! very helpfull!!. you...
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From: brian t.