4" Sidetube Slip-In Big Block Reverse Flow Muffler Hexagnal 5) 4-bolt discharge turbine housing

5) 4-bolt discharge turbine housing is perfect for small to medium displacement 4 cylinder engines

Includes gaskets and spacers

Max 600 HP use

We employ a jig-built construction technique to ensure consistent size

Fitting: Mitsubishi EVO 4/5/6 Front

4" Sidetube Slip-In Big Block Reverse Flow Muffler Hexagnal 5) 4-bolt discharge turbine housingFor 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. Features: Fits 4" Side Tube systems Big Block Reverse Flow Design Easily Removed For Racing