What?

[OrangeChevyII]

New numbers.....

Made a couple small changes and went back

[80coupe]

nice!

[AMJ]

what alls different???nice btw

[OrangeChevyII]

Magnaflow Exhaust

[Back N Black]

you need this...

[AMJ]

Magnaflow Exhaust

lol how bigs the cam????

[jnobles06]

michael plummer from snow performance has changed from magnaflows to mac flowpath mufflers and picked up 82whp on his t-trim 331!

http://forums.corral.net/forums/superchargers/1324858-mac-flowpath-vs-magnaflow-dyno-results.html

[OrangeChevyII]

lol how bigs the cam????

It's stock

[G..]

michael plummer from snow performance has changed from magnaflows to mac flowpath mufflers and picked up 82whp on his t-trim 331!

http://forums.corral.net/forums/supe...o-results.html

I skimmed thread and only saw a 4xrwhp gain.

[jnobles06]

I skimmed thread and only saw a 4xrwhp gain.

no he picked up 45whp when he switched to the 3" system over the 2.5". he picked up 45hp just swapping the mac mufflers with out tuning. when he retuned he picked up more. 75 to be exact. i don't know where i got 82 from lol.

final
Magnaflow: Run 121 and 122
MAC Flowpaths: Run 128