FLOWFX AXLE-BACK EXHAUST,DUAL OUT REAR,2021-2026 BRONCO,2.3L,2.7L 1978-1987 *PEDAL BOSS: 3/8" I

*PEDAL BOSS: 3/8" I

2007 Silverado 1500 6 Lug - Classic Style w/ OE Single Piston Rear

2013-2015 EXPLORER

UP TO +30 HP & +40 LB-FT (B48)

including machined steel shafts and precision lapped gears

FLOWFX AXLE-BACK EXHAUST,DUAL OUT REAR,2021-2026 BRONCO,2.3L,2.7L 1978-1987 *PEDAL BOSS: 3/8" IBrand New Flwmaster FlwFX Axle Back xhaust System, Black 4" Tips, Dual Exit (Part #718123). Flwmaster introduces our FlwFX axle back exhust system for the Frd Bronc with the 2. 3 or 2. 7 liter engine. This system uses a FlwFX style mufflr for a deep exhust tone with an aggressive to moderate sound level and increased performance. Maximum dyno gains of 17 hp and 18 lb ft were measured at the rear wheels. 3. 00 inch mandrel bent 409 stainless steel