Which Flowmasters did you put on your car? I have Delta 50’s on a couple vehicles, they’re way more mellow than 40’s or 44’s.
The best/easiest place is between the headers and the mufflersOP........ where are you going to fit the glass packs?
This kit - 62-74 Mopar B Body Car 2.5" Dual Exhaust Kit 2 Chamber Rear Exit No Tip | eBayWhich Flowmasters did you put on your car? I have Delta 50’s on a couple vehicles, they’re way more mellow than 40’s or 44’s.
Here's the result. It's much quieter and nicer
On the road the rear sound is 80% gone at least from inside the car. Another nice result is that I can hear the header noise from the front. The glass packs are 24 inch and they fit nicely in front of the FMs. One comment had to do with the crappy sound of FM and I agree. They are just what came with the kit. For now it's done and a-ok. I have big glasspacks on my 67 Camaro and sidepipes on the 68 camaro. Both sound great.It definitely sounds better, how does it sound when you’re driving down the road?
and afterTry it and see. If it is still too loud then change mufflers and you will already have built in resonators. Please give us some before and after sound clips if you do.