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

please note stock knock sensors are highly unlikely to be utilized under any type of after market tuning situations and deemed unnecessary

IMU no longer needs to undergo calibration

This harness is just the required solenoid wiring with an OBD1 ecu pin so you can easily wire up VTEC

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