Originally posted by warmonger:
It is not noisy with gutted pre-cats!
MSDS headers, open free flowing cat and a muffler in the stock resonator location will sound very good. THe power will also be worth it.
Originally posted by TourDeForce:
With the gutted pre-cats I do not notice any gains vs my car when I bought it, just a slight extra drone from the exhaust. I also do not have headers, and the car is quiet as stock with the Dynomax Super Turbo muffler at the rear & a straight through resonator in the mid section.
That's what I said... 
Must be that jumbly-wumbly thing happening again.
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