Help Reducing Rasp

[Drakoni]

Greetings,

I just installed Stainless Works long tubes with no cats and an X pipe, and im running the stock mufflers. The rasp is real. I need to tone down the rasp to meet sound levels at our local track. I was thinking of having resonators welded in after the x pipe and would like some feedback from you folks on what may work the best.

Now just so we get this out of the way, I know cats will basically resolve my problem. I dont want them and im looking for other solutions.

Oh here is a crappy video of me doing a pull the night I finished the install and loaded the tune. Just because.

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Thanks for your feedback!

Nick

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[BmacIL]

Greetings,

I just installed Stainless Works long tubes with no cats and an X pipe, and im running the stock mufflers. The rasp is real. I need to tone down the rasp to meet sound levels at our local track. I was thinking of having resonators welded in after the x pipe and would like some feedback from you folks on what may work the best.

Now just so we get this out of the way, I know cats will basically resolve my problem. I dont want them and im looking for other solutions.

Oh here is a crappy video of me doing a pull the night I finished the install and loaded the tune. Just because.



Thanks for your feedback!

Nick

Stock mufflers are incredibly tinny and raspy, and going no cats just makes them worse.

I would run a resonated X-pipe in place of your current X-pipe, or add bullet resonators.

 

[El_Centenario]

Going from X pipe to H pipe help too, that's what I did in my setup

 

[ForTehNguyen]

get rid of the X pipe

 

[Drakoni]

Thanks for the feedback. I wonder if someone wants to trade my X for their H.

 

[BmacIL]

Thanks for the feedback. I wonder if someone wants to trade my X for their H.

I'd personally not go through the trouble and you'd definitely reduce rasp significantly more by adding resonators.

 

[Souldriver]

If you need to meet track specs def inline resonators or a resonated x. Switching to an h pipe wont help with volume levels.

 

[Drakoni]

Im actually looking at the magnaflow resonated x pipe.

http://www.cjponyparts.com/magnaflow-x-pipe-tru-x-resonated-stainless-steel-clamp-in-gt-2015-2017/p/XPG1/?year=2015&gclid=Cj0KCQjwhrzLBRC3ARIsAPmhsnW8UQEbfAe7QFL9SQIJ-ZanKPcVEjonNRohaOEJ304r3j2N1I5IVscaAuPJEALw_wcB

 

[AlmostFamous]

You would have zero rasp if you simply swapped the X-Pipe to a H-Pipe.

 

[OneFordGT]

I just installed Kooks on mine and came across the same issue, I reinstalled my factory catback and love the sound and sound level.

 

[EFI]

Put some cats back on there. Or a set of resonators, or both and you will kill a vast majority of the rasp.

 

[ALUSA]

I have a slightly used Borla resonator on sale. PM me if you are interested!

 

[MagnaFlow]

Im actually looking at the magnaflow resonated x pipe.

http://www.cjponyparts.com/magnaflow-x-pipe-tru-x-resonated-stainless-steel-clamp-in-gt-2015-2017/p/XPG1/?year=2015&gclid=Cj0KCQjwhrzLBRC3ARIsAPmhsnW8UQEbfAe7QFL9SQIJ-ZanKPcVEjonNRohaOEJ304r3j2N1I5IVscaAuPJEALw_wcB

We would recommend it! The resonated midpipe will bring the volume down a bit and lessen the rasp so you kill 2 birds with one stone.

 

[Braski]

We would recommend it! The resonated midpipe will bring the volume down a bit and lessen the rasp so you kill 2 birds with one stone.

Does this work with the comp catback?

 

[steviebee72]

i have kooks LTs with the green cats.
With the Borla touring catback (using the resonator muffled mid section) i have no rasp.
With a H-pipe i have rasp.


just saying.
After the Whipple, the volume on the Borla Touring is great. Before, pretty tame.

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