Best HP increase exhaust

[WR1]

I understand exhaust upgrades aren’t really for horsepower gains - however, which company/exhaust claims to have a HP increase for the Bronco 2.7. Thought I saw one of the Flowmaster system claim a 17hp gain are there any others ?

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[bassist]

Why not just buy the Ford performance upgrade tune?

You’ll get real gains without making useless noise and risking a ticket.

 

[WR1]

Yes, I’m doing that too

 

[Brian_B]

I’d be pretty skeptical of most claims here, and I’d be inclined to guess an exhaust delete may net “the best” - and that it would be pretty small if any

But I admit I don’t actually know

 

[Valhalla]

Turbo engines thrive on free flow. That said anyone selling an exhaust that does not back it with dyno proven results are not going to give any real gains.

 

[Snacktime]

3" straight through design without a muffler. Injen or flowmaster make what you think you want. I can tell you that 10 speed will shift into drone rpms every chance it gets!

Best to go to YouTube and listen to exhaust. Buy what sounds best to you and move on.

 

[JL8jeff]

I have the MBRP 3" cat-back that has a 3" straight through muffler and 3" straight through resonator with the single tailpipe. It's tough to know what hp increase there is but you can tell there is less backpressure for sure. The stock muffler has 90 degree bends and possibly 180 to quiet it down. With the MBRP, I can feel the truck coast a lot easier when you get out of the gas. With the other mods I have, I'm getting better mpg with 37's vs the 35's as well. The noise level is louder than stock but pretty tame compared to most of the other exhausts and no drone while cruising along. Over 4000 rpm's it starts to make some noise.

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