The reason that I am asking this is because I have the loudmouth exhaust and its pretty loud now....inside the cabin. I was thinking about gettting MAC headers with the off-road pipe. Do you guys think that I would go deaf when I have the windows up or would it be about as loud as what I have now. Anyone with this set up or something similar let me know what you think. BTW its a daily driver. Thanks!

 

i will be louder...some like it some don't. with the loudmouth i think you'll find it a bit much. but you could try putting a dynomax bullet muffler in the Ipipe, either in place of the resonator or in addition to it, to quiet things down a bit without affecting flow.

 

Where would be the best place to get the Dynomax bullet muffler?

 

It will be louder, as well as more tinny sounding. You also may smell a bit of gas, in my experience.

 

should be able to get the muffler out of any mail order place...
try summit or jegs

 

I have the Flowmaster catback system, and it sounded great. Then I bought the MAC headers and Y-pipe and put them on. (No cats) It made it alot louder, but added a sharp rap to the exhaust. I then installed a straight through bullet muffler after the Y-pipe and it took the rap away and left the original deep exhaust tone of the Flowmaster. Although it is still louder than with cats.

 

Well what i really need to know is what would be the best muffler for this set up...MAC headers with offroad pipe......one suggustion was the bullet muffler in addition to my loudmouth...any other suggustions?

 

I don't have headers, just factory manifolds. Going from stock exhaust to the loudmouth made a huge difference in sound. A few months later, gutting the cat made an even bigger difference than the LM did...it's loud as hell now but sounds beastly and mean . I don't think the cat actually made a bigger difference in tone than the muffler (or lack thereof)...if I gutted the cat with a stock exhaust it would prolly sound milder than the loudmouth did with a cat. But the combination of the the gutted cat and the loudmouth basically took away any form of muffling on my car.