Flowmaster American Thunder Crossmember-Back Exhaust For 67-70 Ford Mustang V8 2021-2026-f-150 (2) High-Strength Front Crossmembers –

(2) High-Strength Front Crossmembers – 1/4" steel

Only Fits LS2/LS3/LS4/LS7/LS9 Engines

Radius arm drop brackets

The bottom smooth washer must remain on the bottom

Flowmaster American Thunder Crossmember-Back Exhaust For 67-70 Ford Mustang V8 2021-2026-f-150 (2) High-Strength Front Crossmembers –For the person who is looking for a true dual crossmember back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16 gauge mandrel bent aluminized steel tubing with a built in H pipe crossover, a pair of specially selected Super 44 Series performance mufflers for a deep powerful sound. The 2. 50 inch mandrel bent tailpipes feature a slight turndown at the rear bumper and the system