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Discussion Starter · #1 · (Edited)
Hi:
I have straight pipe in place on secondary cats,,and supersprint resonated in place of stock resonator with isenmann race back boxes .
Car is so load and too much drone but it is nice.
Now I want to put back stock exhaust as shown ,,but will keep the race isenmann in place .
Is that will eliminate the sound and drone in car.
Or only put back the stock muffler and keep same setup
What do recommend? From experience?

Thank you.
 

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The stock resonators and cats will surely quiet down the set up more than your supersprint. By how much, I don't know exactly. It will definitely decrease drone.
 

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Discussion Starter · #3 ·
The stock resonators and cats will surely quiet down the set up more than your supersprint. By how much, I don't know exactly. It will definitely decrease drone.
Will try and report.

Thank you.
 

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Most aftermarket "axle backs" is where a lot of the volume/drone comes from, as they're not really true mufflers. I'm fully catless with only two small resonators all the way back to my Hartge Mufflers and there is zero drone or loudness (until I go Wide Open Throttle). I'd say keep the axleback on and put the stock resonator/cats back on.
 
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