blackbear or efilive tunes
gibson or custom exhaust
aem cold air intake
what are you looking for. tell us wha you wanna do and i can pretty much name the best top end companies for the chevy trucks. this is like talking jeeps. what are you trying accomplish?
youve been around long enough to know this now.
08 qcsb Duramax Ltz
02 tj with some parts laying around **for sale**
08 crf 450 with a few goodies