T Tyson Blair Well-known member Joined Dec 8, 2018 Messages 56 Reaction score 32 Location TX My Car 71 mach 1 Jan 9, 2025 #1 Hello gentlemen, Has anyone replaced their stock 429 cobrajet exhaust manifolds with the FPA shorties? If so was there a noticeable improvement in top end power?
Hello gentlemen, Has anyone replaced their stock 429 cobrajet exhaust manifolds with the FPA shorties? If so was there a noticeable improvement in top end power?