Mufflers
On my 2014 because there are 4 cats----I was able to CUT OFF both mufflers---and trust me--It is just barely louder than an NPP exhaust that is OPEN--- On my C5 and C6 I was unable to cut them off as it was really not that loud just simply annoying after a while
On my C7 you will not even know it----during cruise its very mild --just rumbles more--But when you go to WOT it sounds totally awesome !!! more of a Ferrari sound and not annoying at all---- I cut my mufflers off just after the butterfly valves for the AFM----So far you can't eliminate the butterflies as you will get a code---But in reality there is not really any reason to cut them off as there is NO added HP by doing so--
Cost ?? Flowmaster makes 4" tips in stainless specifically for the C7--they were about $60---very high quality--double walled---My muffler shopped charged me $100 to install them --so total cost $150----better than the $1200 for NPP !!!!!
If you wanna pay the CORVETTE TAX buy a $1400 cat back system--but if you want more HP and 0 restriction---better sound-----Cut them OFF
PS I sold my mufflers for $200 so I actually made $50 !!!!!!!!!!!!!!!
Last edited by tblu92; Dec 15, 2014 at 10:52 PM.
On my 2014 because there are 4 cats----I was able to CUT OFF both mufflers---and trust me--It is just barely louder than an NPP exhaust that is OPEN--- On my C5 and C6 I was unable to cut them off as it was really not that loud just simply annoying after a while
On my C7 you will not even know it----during cruise its very mild --just rumbles more--But when you go to WOT it sounds totally awesome !!! more of a Ferrari sound and not annoying at all---- I cut my mufflers off just after the butterfly valves for the AFM----So far you can't eliminate the butterflies as you will get a code---But in reality there is not really any reason to cut them off as there is NO added HP by doing so--
Cost ?? Flowmaster makes 4" tips in stainless specifically for the C7--they were about $60---very high quality--double walled---My muffler shopped charged me $100 to install them --so total cost $150----better than the $1200 for NPP !!!!!
If you wanna pay the CORVETTE TAX buy a $1400 cat back system--but if you want more HP and 0 restriction---better sound-----Cut them OFF
PS I sold my mufflers for $200 so I actually made $50 !!!!!!!!!!!!!!!
then added Corsa Tips.
He says it is great, and he also has a video/sound clip of it.
I have just acquired those same Corsa tips,
and am awaiting some better weather to replace my mufflers too.
The Best of Corvette for Corvette Enthusiasts
then added Corsa Tips.
He says it is great, and he also has a video/sound clip of it.
I have just acquired those same Corsa tips,
and am awaiting some better weather to replace my mufflers too.
He has a link to a youtube video in the last post in the thread.
https://www.corvetteforum.com/forums...4-5-quads.html
On my 2014 because there are 4 cats----I was able to CUT OFF both mufflers---and trust me--It is just barely louder than an NPP exhaust that is OPEN--- On my C5 and C6 I was unable to cut them off as it was really not that loud just simply annoying after a while
On my C7 you will not even know it----during cruise its very mild --just rumbles more--But when you go to WOT it sounds totally awesome !!! more of a Ferrari sound and not annoying at all---- I cut my mufflers off just after the butterfly valves for the AFM----So far you can't eliminate the butterflies as you will get a code---But in reality there is not really any reason to cut them off as there is NO added HP by doing so--
Cost ?? Flowmaster makes 4" tips in stainless specifically for the C7--they were about $60---very high quality--double walled---My muffler shopped charged me $100 to install them --so total cost $150----better than the $1200 for NPP !!!!!
If you wanna pay the CORVETTE TAX buy a $1400 cat back system--but if you want more HP and 0 restriction---better sound-----Cut them OFF
PS I sold my mufflers for $200 so I actually made $50 !!!!!!!!!!!!!!!
You can't tell what an exhaust system sound like via a video clip anyway---
Take your information from whomever you choose---I'm not trying to sell any body anything---- I'd love to see the exhaust people laugh at you after you leave when they've milked you for $12000
You and I don't agree on anything- and never will-let's just leave it at that--You always tend to promote yourself as an "Expert"---and a man of means and lots of money-- willing to spend countless money just because you can---I would have never followed you into a foxhole in Vietnam !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!
please link an exhaust for 12 grand.
please quote a post where I even insuate money in any regard.
this is why you and I don't get along. you are full of fiber at every encounter. by the way, this is the corvette forum, not Vietnam.....so you aren't really saying much about you and me in a foxhole together, that's actually a little weird. exhaust is not a matter of life and death and the security of the free world does not lie in the exhaust note of a C7....lighten up Francis.
You can't tell what an exhaust system sound like via a video clip anyway---
Take your information from whomever you choose---I'm not trying to sell any body anything---- I'd love to see the exhaust people laugh at you after you leave when they've milked you for $12000
You and I don't agree on anything- and never will-let's just leave it at that--You always tend to promote yourself as an "Expert"---and a man of means and lots of money-- willing to spend countless money just because you can---I would have never followed you into a foxhole in Vietnam !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!
Here is what I have done to my system and only wish I had done the straight pipe thing. Anyway, I first replaced the x pipe (I had the NPP system) that helped but not enough. Then I bought the BB mufflers, very nice, stainless and that helped. Then I was told by a guy who works on Corvettes to take off the front cats. That did it. I now have one hell of a great system that is loud in any mode. I guess for people in air pollution stations my system might not be so good, but it did take care of my sound system. Good sound, etc.
By the way I will sell my NPP mufflers to anyone who wants them.
I also have an American Car Craft c7 Npp Exhaust filler panel - polished, part #052051 (this will not fit the Corsa or BB tips which are bigger than the stock NPP tips. It sells for $99. I am asking 50 plus postage and it is basically new as I only had it on for a few weeks before buying BB system.
So you would have preferred to just go with replacing the mufflers with straight pipes?
So now you have no Resonators (?) or Cats (?).
with an "X" pipe, and the BB Mufflers ?
Just wondering which is the best way for me to go.
I have purchased the Corsa Tips, and am planning on merely replacing the mufflers with straight pipes.
But I haven't done anything yet.


















