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3" Resonator delete

Old 12-04-2018, 10:13 AM
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Default 3" Resonator delete


Is there a 3" resonator delete available for the diy exhaust job? Stainless only as i'm in the salt belt
From what I measured the Y-pipe is 3" then drops to 2.5" at the flange through the resonator to the muffler.
If not has anyone had any luck with any 3" flanges that bolt up to the stock Y-pipe?
Found this but can't find the specs on the bolt spacing, most seem to be 4.5", Stock looks to be between 5-1/4 - 5-1/2
Also not sure if the ball will seat with the stock Y-pipe

Kooks 7106S-Male






Jegs 31065 3" ID Spherical
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Old 12-05-2018, 09:39 PM
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The only one made from stainless I could find that I liked was for a 1st generation Raptor with a 6.2L. Not a very cheap option, but a very well built part.

https://www.lethalperformance.com/co...pe-144-wb.html

For my RC I had to cut it down for length. The taper on collar wasn't just right so grind it down by mounting in a pipe expander chucking up to a drill press.


Last edited by OCMike; 12-05-2018 at 09:53 PM.
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Old 12-06-2018, 09:28 AM
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Thanks OCmike
I have 157" wheelbase so I know I'd have to lengthen it.
Regarding the flange needing some trimming, I guess that's why the Roush exhaust has you discard their flange and reuse the stock Raptor.
Any idea of the overall length of that part?
For the record I'm 64" from flange to muffler.

Last edited by Fly50; 12-07-2018 at 06:42 PM. Reason: spelling
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Old 12-06-2018, 09:33 AM
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Originally Posted by Fly50 View Post
Thanks OCmike
I have 157" wheelbase so I know I'd have to lengthen it.
Regarding the flange needing some trimming, I guess that's why the Rousch exhaust has you discard their flange and reuse the stock Raptor.
Any idea of the overall length of that part?
For the record I'm 64" from flange to muffler.
I had to cut it down for length, and I still have what I cut off. I have to change oil this weekend so I'll see what's on the truck and what I have left so can estimate the original length.
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