Cut out sounds good!!!!
cutouts sound like crap unless u have a cam.
The only difference was the cutout was a little louder at every rpm (from idle to WOT). As long as the cats are kept on (to eliminate that nasty rasp without 'em), I personally think cutouts sound really good on bolt-on LS1's...And while we're at it now, do I ever miss the sound of the cutout on my old bolt-on LT1
Mike
The only difference was the cutout was a little louder at every rpm (from idle to WOT). As long as the cats are kept on (to eliminate that nasty rasp without 'em), I personally think cutouts sound really good on bolt-on LS1's...And while we're at it now, do I ever miss the sound of the cutout on my old bolt-on LT1
Mike
I have the QTP electric cutout and I love it. There's just nothing that can replace being able to open it and raise hell, or close it to cruise down the highway and talk to the lady.

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a cutout will also drone horribly on long cruises making it intolerable. gmmg has barely any drone at all. it's practically silent cruising making it great to daily drive.
gmmg shines when you put on longtubes. then, it's in a class of its own (assuming you keep your cats). no cutout will sound like a gmmg with longtubes.
a cutout is not an exhaust system. it's for short, loud cruises and when you need a few extra hp for dyno runs and the track. it is NOT meant to be daily driven open. you WILL get sick of it.
there's a reason why gmmg is $700. if a $40 cutout was a good substitute, do you think anyone on this site would run a gmmg? hell no. but look around - a lot of people on this site run gmmg. it must be worth it.
don't half *** it. if you wanted your cutout to be your exhaust, just dump your y pipe. it'll be even cheaper yet and sound just as loud/shitty.
Use the cutout for when you want attention and a little extra HP. Get a good catback or duals for that deep sound.
The GMMG & open cutout sound IDENTICAL on an LS1 behind stock manifolds & cats...I got the chance to hear my buddy's '02 6-speed Trans Am through both set-ups and there was no difference in sound quality at idle, acceleration (sorry, same rumble), or WOT...The only thing that differed was that the open cutout was a little louder through out the entire rpm range...Deny it if you want guys, but I heard my friend's car every which way from the outside and it sounded the same through either set-up...
However, I will say that the guy who said GMMG w/ longtubes + highflow cats sounds very different from an open cutout w/ longtubes & cats is absolutely correct...My '02 6-speed Z28 has the GMMG + Kooks LT's & catted Y and it sounds very different than any cutout I've ever heard. In fact, my car with GMMG & the addition of the headers actually sounds 10x different than another LS1 w/ the GMMG and only stock manifolds & cats. Just ask my friend who's car I am referencing above...
The LT headers & highflow cats dramatically change the sound/tone...
a cutout will also drone horribly on long cruises making it intolerable."
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Are you talking about your V6 ???? Ive got my cats and have have no rasp, backfiring or **** sound at part throttle. And like I said, the cut out has no more drone while cruising than my Flowmaster catback. You may be right on the no cats sounding bad- that would make since. I could see where a V6 would sound bad at part throttle but thats probably where mine sounds best to be honest.
cutouts will be louder than any out-the-back exhaust because it's dumped. it uses the car as an amplifier similar to an acoustic guitar uses itself to project sound. this is why dumped duals are so much louder than out-the-back duals. cutouts produce the same effect as dumped duals. some people just have a higher tolerance than others do.
i personally want a cutout. it's just no substitute for a catback.

