MagnaFlow Sys C/B 75-79 Pontiac Firebird Fabrication>Brackets 57-series OEM air box intake

57-series OEM air box intake systems include a washable

Exhaust kit 15658 features a cat-back layout that replaces your ride's stock exhaust components from near the catalytic converter on back

The Injen Technology engineers are experts when it comes to performance

the Touring Edition brings up the rear in proper fashion by featuring AWE’s patented drone-canceling solution

MagnaFlow Sys C/B 75-79 Pontiac Firebird Fabrication>Brackets 57-series OEM air box intakeThe MagnaFlow 1975 1981 Pontiac Firebird Street Series Cat Back Performance Exhaust System 16830 brings out the personality of your 4. 9L, 5. 0L, 5. 7L, 6. 6L 1975 1981 Pontiac Firebird with our signature resonant, powerful engine tone and dyno proven performance. Thanks to its fast flowing, mandrel bent 2. 5in. main piping and 2 Straight Through mufflers ending in a Dual Split Rear exit with 2. 25in. Polished Clamp On Single Wall Turndown Cut Edge