For 4 inch sidetube sound control, Hooker builds long lasting slip–in mufflers. These mufflers are easily removed for racing purposes and are available in a performance style glasspack or our quieter all metal reverse flow style for small and big block applications. Hooker mufflers produce a high level of sound control without restricting engine efficiency. Sold in pairs.
Features:
- Long Lasting
- Easily Removed For Racing
- Quieter Than Glasspack
- High Level Of Sound Control
- Will Not Restrict Engine Efficiency
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
