for people with the flowmaster 80 series muffler AND a cutout...did you ever compare runs on the same night between cutout open and closed? or if anyone is willing to do this test, that'd help me out a lot!

 

people on here have gotten 10+hp with a cutout over the flowmaster...i love my cutout, the flowmaster isnt bad, but the cutout rocks

 

 

okay...lol...

what about actual track time comparisons?

 

Don't have any...just agreed with Z28marine...

 

the very last time i raced my trans am i had the cutout closed and went 14.29@97.6x then opened the cutout and pulled a 13.8x@99 sort of feathering it. i would have pulled about 13.6-13.7 if i had a helmet, but oh well. both runs were made within 10-15 min. of each other in 91*/85% humidity. also i had stock bfg's(bald) w/25 psi. the cutout was where the cat used to be so it was damn loud i wish i still had my t/a but now im getting an 86 buick t-type

 

capped 13.2's uncapped 12.8s, but my car was tuned with the cutout open.

 

leapin lizards! I'm hoping to gain 1 tenth with the cutout, but if you guys are easily gaining 2 tenths, maybe it's time!

 

I think 12scndz went 12.25 with the flowmaster and 12.05 with the cutout uncapped.

 

I went 13.98@101 with it capped, then 10 minutes later went 13.81@102 with it uncapped.

 

this is awesome! thanks guys.

 

okay, I finally got my dmh e-cutout installed and went to the track! I showed an average of 2.0 tenths better with the cutout open vs. closed with my flowmaster 80 series. Also, my trap speed was 2 full mph faster on average! I should've just kept the stock muffler and done a cutout from the start!

 

cool man. cutouts are definately the best bang for the buck out there. not many other things out there u can buy and install for under $75 and gain more than a thenth

 

reading these post where is everyone's cutout located is it right before muffler? or down by cat?

 

flowmasters suck all together. i have blown out 2 so far running nitrous. i will never buy one again. magnaflow got my money for my c5 vette and it sounds great and perfroms very well. i would think the cut outs would be located right after the cats somewhere or where the offroad pipe joins together.