10 Series Race Muffler - 3.00 Center In / 3.00 Center Out - Aggressive Sound 1980-pontiac-firebird-esi1791593 375 in Bore - 7

375 in Bore - 7

2A/5 - Multi-Layer - Nomex - Black - Large - Each

5 in Length - 750 lb/in Spring Rate - Front - Steel - Red Powder Coat - Each

5 in Center Outlet - 26 x 3

Drive Motor Pulley - Gilmer - 14 Tooth - Plastic - Black - Moroso Electric Water Pump Drive - Each

10 Series Race Muffler - 3.00 Center In / 3.00 Center Out - Aggressive Sound 1980-pontiac-firebird-esi1791593 375 in Bore - 7Single chamber. The 10 Series race mufflers are intended for racing applications and utilize Flowmaster's Delta Flow technology for maximum performance. Recommended for racing applications where a muffler is required without a set decibel limit to be met. Will provide a noticeable dB reduction over open headers.