4" Sidetube Slip-In Reverse Flow Muffler; Sold In Pairs Vehicles & Parts " Holley Hi-Ram EFI intake manifolds

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

This innovative setup makes for a clean

Problem Overview:

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

which means less time in the garage and more time exploring the great outdoors

4" Sidetube Slip-In Reverse Flow Muffler; Sold In Pairs Vehicles & Parts " Holley Hi-Ram EFI intake manifoldsFor 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.