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Yes the harmonic isolater is attached. Guy the other thing Ford did to kill sound is to kill a little power. It is the area of the exhaust that could yield some gains even when stock (but at the expense of drone): Sent from my iPhone using Tapatalk Pro

Thank you and no problem. We have a shop in Fort Worth and among other things specialize in the Ecoboost. Once we are ready to talk about our exhaust we'll complete our site sponsorship sign up and roll it out. Sent from my iPhone using Tapatalk Pro

True: the exhaust outlet adapter that goes between the turbo and the downpipe is the same. Haven't figured out why they changed the exhaust manifold to turbo bolt pattern though. Sent from my iPhone using Tapatalk Pro

The current crop of Gen 1 3.5EB turbos have a different bolt pattern and will not bolt up to a Raptor manifold. Gen 1 manifolds won't work on the Gen 2 head either. ---------- Post added at 03:47 PM ---------- Previous post was at 03:17 PM ---------- I don't have the Raptor heads in hand...

The Gen 2 Raptor EB comes with 51mm turbos and yes Ford did rework the compressor wheel but the housing did not change. As a Gen 1 guy that tried upgraded compressor wheels only, it only amounts to a small improvement.. 10-15rwhp max? It was so small I didn't bother doing a dyno, I pulled them...

Ransom, that would be about perfect! We are waiting on one other part to show up (no date yet) but we would love to get your truck on the lift to start taking some measurements! I'll send you a PM. Sent from my iPhone using Tapatalk Pro

Why would they go to the regular F150 exhaust? It's rated for 365hp. But overall I agree, all these guys are finding is that the Ecoboost does not sound great and all these exhausts are netting similar results.

The Raptor exhaust differs from all the rest of the F150 Ecoboost exhaust in that it is true dual from the turbos back. Is it true if it runs into dual in/out resonators and mufflers? We won't know till we cut open a resonator or muffler to find out. The fact that the F150 exhaust is not...

Fair enough: our offer was to cover an initial ask of a couple hours of someone's time while we put it on a lift and did our measurements etc. When we get to the point of needing to borrow a truck for a little longer length of time, we would be glad to provide them the product at no charge...

Alternatively.. Anyone with a VIN number that wants to PM that would really help. Last 8 of the VIN at a minimum.. Trying to help you guys out and as much as I'd love to promise free stuff, I can't do it. Thanks guys!

Guys and gals, We have a new design exhaust we are 98% complete on for the regular F150 Ecoboost crowd. We want to release this simultaneously for the F150 and Raptor so we are holding off on the F150 until we have the Raptor version ready. I need a Fort Worth (preferred) or Dallas based...