Can someone recommend a good y-pipe or x-pipe exhaust with real quiet mufflers and stock exhaust tips.
...My 440 is basically stock. Buy the TT1 2.5" system straight from TTI?
I like the TTI stuff and the long case DynoMax Super Turbo muffler (17748). These are like 25" long and I don't know if they will fit under your Challenger.
You could also consider having the local shop bend you some pipes, and you can quiet it down even more. It may, or may not be less expensive. Do a 2 1/2" to the muffler, neck it down to 2 1/4", use the 2 1/4" Super Turbo and 2 1/4" tail pipe.
My experience is that you will have noticeably improved around town throttle response, and you will never notice a power difference.
