Dynomax 24223 Thrush Header Glasspack Header Muffler Features: Heavy Gauge Shell Provides Maximum Durability Expandable Bushings For Custom Applications Perforated Center Tube Minimizes Turbulence CRF For Powerful Tone and Long Life Straight-Through Design For Max. Flow and Power Height: 6.75 Width: 6.75 Length: 35.88 Weight: 12.00 lbs