F150online Forums - Removing resonator

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F 1Fiddy

09-30-2015 10:56 PM

Removing resonator

Has anyone taken the resonator off of their Eco boost and noticed a power increase? I took mine off and can't really tell much difference. It didn't look really very restrictive. Any info is appreciated.

glc	10-01-2015 10:31 AM

The resonator isn't restrictive at all, it just makes it quieter.

KingRanchCoy

10-01-2015 10:48 AM

did you replace the resonator with a 3" pipe? Also most recommend replacing the flex pipe also which is 2.5 inches.. Replacing both with 3" pipe makes it a ture 3" system all the way back. It should help a little.

Wookie

10-01-2015 11:26 AM

On most Ford exhausts the biggest choke point is the Y merge point.

F 1Fiddy

10-01-2015 09:32 PM

I replaced it with a factory pipe that was the same size as the rest of the exhaust.
Sorry, I spelled resonator wrong on the title.

Patman

10-02-2015 12:26 AM

Quote:

Originally Posted by F 1Fiddy (Post 5166861)

Sorry, I spelled resonator wrong on the title.

fixed the title for you

I did the delete pipe on my 5.0 and noticed only a slight change in sound

NASSTY

10-02-2015 04:25 PM

My 2014 RCSB Ecoboost came from the factory with no resonator.

F 1Fiddy

10-03-2015 10:56 AM

I didn't think you could get a 3.5 EB in a regular cab short bed?
I bet that's a screamer.

NASSTY

10-03-2015 11:12 AM

Quote:

Originally Posted by F 1Fiddy (Post 5166971)

I didn't think you could get a 3.5 EB in a regular cab short bed?

The 2014 Tremor is the only RCSB that came with the 3.5 Eco. From what I've read they made 606 of them, 318 FX2's and 288 FX4's.

Quote:

I bet that's a screamer.

It's really quick with the MPT tunes.

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