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View Full Version : new Muffs/ Dynaflow 40's



jim '57
05-19-2012, 05:17 PM
Got the 57 back from the muffler shop.
Video (http://s827.photobucket.com/albums/zz192/jim57ls2/Exhaust%20on%2057/?action=view&current=MOV05619.mp4)
Jim

56-210Sedan
05-20-2012, 06:43 AM
Sounds good Jim, would like to hear them with a little RPM movement :) congratulation on the new update to the 57 and sharing the video:cool:

567chevys
05-20-2012, 08:58 PM
Sounds good Jim, would like to hear them with a little RPM movement :) congratulation on the new update to the 57 and sharing the video:cool:

Sounds real good you did the RPM now all we need is some tire squeel & smoke !!!

chevynut
05-20-2012, 09:09 PM
Nice stuff Jim. Sounds like you're working out the last details on your car. I hope to be doing the same in about a year. Goodguys 2013!!!

56-210Sedan
08-11-2012, 01:55 PM
Jim, now that you have used the dynaflow 40's for a while (guessing) how do you like them?

carls 56 (RIP 11/24/2021)
08-11-2012, 02:32 PM
enjoyed the vid jim, thanks. great looking 57. my sound card stopped working, so wasn't able to hear a thing. got to get that fixed.

Run-em
08-12-2012, 02:03 PM
What diameter on the pipes? Good sound on the system though.

jim '57
08-12-2012, 05:39 PM
Jim, now that you have used the dynaflow 40's for a while (guessing) how do you like them?

Well they were a bit loud. Just got the 57 on the road a wanted to hear any problems that might come up and the popping on backing off was too much.
I had a pair or 18 in. glasspacks installed before the 40's and now all is good.
The pipes are 2.5 inch.
Jim