aFe Twisted Steel Headers SS-409 11-14 Ford F-150 V8 5.0L *Race Only* fits_2020-2025`GMC`Sierra 3500 HD`SLT Dual 6 IN large diameter

Dual 6 IN large diameter

Designed to outflow the stock manifold by 12% for improved throttle response

3-to-1 mitered merge decrease turbulence and increases exhaust velocity

9L aFe Power Exhaust Systems

aFe Twisted Steel Headers SS-409 11-14 Ford F-150 V8 5.0L *Race Only* fits_2020-2025`GMC`Sierra 3500 HD`SLT Dual 6 IN large diameterAdd more power to you 2011 2014 F150 ? Coyote? with V8 5. 0L engine by installing our new ? Race Only? Twisted Steel? headers. These headers feature a 1 5 8? mandrel bent tuned length primary tubes that will out flow the stock cast manifolds by 46%. These headers are built using 409 stainless and thick 3 8 flanges for a leak free seal. We designed the headers to incorporate a merge collector (header collector). A merge collector combines high flow and