4" Sidetube Slip-In Big Block Reverse Flow Muffler Racing Optics Fitting: L3 S20 S40 SOHC

Fitting: L3 S20 S40 SOHC (black 40mm ID speedo gear)

Bins values on the X and Y axis can be changed too

Precision CNC laser cut

Engine mount kit for 96-00 Civic

Available for either 2002-2004 RSX and 2002-2005 Civic Si or 2004-2005 RSX ECUs

4" Sidetube Slip-In Big Block Reverse Flow Muffler Racing Optics Fitting: L3 S20 S40 SOHCFor 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