My Diesel Technician sujested to get my F.S.Driver and heat sink from your company and now it worked great. Now I've installed the 4" exhaust/air intake and the truck runs great. Service is great. And parts cme on a reasonable time
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From: BOB S.

My factory exhaust rotted off at the downpipe on my '92, so I replaced it with their turbo back stack kit. Awesome sound! Also to boot, when you roll your windows up, it's whisper quiet! I will be getting the full cooling system upgrade, marine injectors,...
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From: Dan B.