Hams955

The OEM setup is headers with cats, side mufflers then a rear center muffler.

I would argue most common mod is to replace the rear center muffler with the rear bypass systems as mentioned above. GMG, Akra, Sharkwerks, BBi/GRP are common vendors.The side mufflers are retained in this setup so you can still run the exhaust valves and keep it in the "quiet" mode.

Second mod is to delete the side mufflers. You could do this separate of the rear bypass or in addition. If you delete the side mufflers and run a link pipe you drop a fair amount of weight off the rear of the car behind the rear wheels, but you also gain volume and lose the bypass valves for sound.

Last option is a complete system that includes headers, link pipes and rear muffler (not required). This options is like Dundon Motorsports headers or Akraprovic. There are other vendors who make this kind of setup.

One thing I would recommend you try first - remove the vacuum lines from the exhaust valves and cap them off. The valves will remain open full time this way and you will pick up a lot of sound. Try that and see how you like it since it is a free mod.

If you want more - as most have said - the rear delete is the most common method to change volume/sound.

Personally speaking - I would delete the side mufflers instead of the rear muffler for two reasons: 1) material weight savings and 2) the OEM rear muffler completes the gap between the lower diffuser panel and the rear bumper. I have to think not having the muffler in place would have an affect on aero under the car.

- Chris.

Dougr743

you can get side muffler deletes with valves. i have them. My opinion, sounds better, cleaner, and the side mufflers are heavy

rodsky

Press the gas pedal more ..

John Belk

FourT6and2

Interesting. I've not heard this potential unintended consequence mentioned before.

mooty

right way: sharkwerks
my way: punch a few holes on the muffler, floor its, never lift.

kfmcmahon

ScratchTheItch

Threw a GMG on yesterday and it made a world of difference! Can't go wrong with a Sharky or GMG, as others have said.

Akunob

Just search for Money's exhaustive (no pun intended) exhaust trial & error journal on here! It should help you out with the various options or simply check out his youtube channel - Obsessed Garage. There are so many options and it will come down to your preference for how loud you want your car to be.

n d