Anyone have a before and after resonated xpipe install?

[jayno20]

Originally Posted by alssiri

We put NPP exhaust on my friends SS & only had to cut the H pipe & weld the muffler in place.
On the ZL1 you have to move the diff cooler pipes a bit so that the muffler fits.

Ahmad

How hard are they to move?

[matt55]

Originally Posted by jayno20

Wow... That seems like it quiets it down a good bit...

As far as the install goes on the factory NPP exhaust, does it just get cut and welded in?

It DID, ended up deleting the mufflers and still was not as loud as before (headers , no cats , stock cat back ).

I just had the H cut out and the res -X put in the same spot .

[white1LE]

I installed it. Went from obnoxiously loud and raspy to a deep mellow tone, almost too quiet actually like mentioned above.

[ZO6 Bryan]

Anybody try this?
http://www.borla.com/products/proxs_...t__400286.html

A good bit better quality T-304

[alssiri]

Originally Posted by jayno20

How hard are they to move?

It is not hard & I have ARH LT with no cats & just did install the resonated muffler with my SW retro exhaust & it did quite it a lot .

Ahmad