I have flowmaster super 44 on my 04 grand prix and hate the drone and people said to switch to Borla Pro XS do these mufflers drone at all ?
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12-17-2014
I have flowmaster super 44 on my 04 grand prix and hate the drone and people said to switch to Borla Pro XS do these mufflers drone at all ?
12-17-2014
what else does your exhaust system consist of?
12-17-2014
No, because they aren't chambered.
If you don't have a resonator, get one.
That'll take care of all the drone even if you don't have a cat.
12-17-2014
^ This.
I had no resonator and Borla XS's; the drone was brutal. Threw in a stock resonator and I have my sanity back.
12-17-2014
I honestly even had flowmasters at one point...and they were pretty quiet with a stock resonator as well.
That's why I always tell people the res is the key to a proper exhaust tone...even though basically everything 3800 sucks.
12-17-2014
I just replaced my cat because the stock was shot and it seemed to me that it was droning like crazy with the bad cat since I got it replaced it is some what better and I have the stock resonator still on was thinking about replacing that to with a glasspack was talking to the shop that did my mufflers and they said that would help with the drone
12-17-2014
The stock resonator is the best option for the least amount of noise.
Been there, done that.
It's your muffler choice, not the res.
12-17-2014
ill go with the Borla when I get some more money hate the drone with the flowmasters
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