4" Sidetube Slip-In Reverse Flow Muffler; Sold In Pairs Vehicles & Parts " the BDS 6-inch lift kit

the BDS 6-inch lift kit for the 2001-2010 Chevy Silverado and GMC Sierra 2500 HD 4WD is a must have upgrade

8 to 3/4-16 straight male fitting w/ O-ring

Problem Overview:

Holley Hi-Ram EFI intake manifolds are now available for 1965 & later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads

4" Sidetube Slip-In Reverse Flow Muffler; Sold In Pairs Vehicles & Parts " the BDS 6-inch lift kitFor 4" sidetube sound control, Hooker builds long lasting slip in mufflers. These mufflers are easily removed for racing purposes. This all metal reverse flow style muffler is for small block applications and is quieter than our glass pack style mufflers. Hooker mufflers produce a high level of sound control without restricting engine efficiency. Sold in pairs.