HSP Deluxe No Bridge/ With Cold Side Bundle Kit For 2004.5-2005 Silverado/Sierra 2500/3500-CUST EXHAUST and retains factory exhaust valve

and retains factory exhaust valve

VN338 20X10 5X120 74

Includes rear blocks & 2 rear Skyjacker shocks

GT STREET 19X10 5X4

Increases available boost by intercepting the message to the ECM

HSP Deluxe No Bridge/ With Cold Side Bundle Kit For 2004.5-2005 Silverado/Sierra 2500/3500-CUST EXHAUST and retains factory exhaust valveThe 294 HSP is best known as the Max Air Flow Bundle for the 2004. 5 and 2005 LLY Duramax Chevrolet and GMC trucks. This bundle kit features everything you could need from the HSP Diesel lineup to make more power and get the maximum performance out of your LLY Duramax all while keeping your factory emissions! What is the Max Air Flow Bundle for the LLY? The Max Air Flow Bundle for the LLY is a complete kit from HSP Diesel. Now what we mean by that is