Thoughts on aftermarket exhaust vs Z51 Package?

[Murray20c8]

This is inevitable, but it will be a while.

Either way, I can't see myself giving up my gas powered toys anytime soon. But when that day comes, I will find other ways to make a noise...a lot of noise.

Hey! No off gassing aloud (allowed) lol

 

[emtae001]

I have the Z51 package and I’m fine with the sound. The only thing I would change is the look of the tips. I think they could have done a better job there.

I concur

 

[Sparro]

So update to my install is I couldn't do the headers. They do not fit in the convertible. They are too high. If you want headers for a convertible you have to wait for a vert version. The sport cats are in and its loud af. I did a test start today, big difference from stock. Tomorrow I'll try to button everything up and start it again for a longer duration.

 

[mousejunior]

Let us hear it please @Sparro

 

[TCinthe6]

So update to my install is I couldn't do the headers. They do not fit in the convertible. They are too high. If you want headers for a convertible you have to wait for a vert version. The sport cats are in and its loud af. I did a test start today, big difference from stock. Tomorrow I'll try to button everything up and start it again for a longer duration.

Damn. I need to hear this. What cats did you go with?

I know it's tough to describe online, but is it louder overall in volume? Or does the tone change completely? When you are inside the cabin in touring mode, is it still loud? Or still tame?

 

[larryd]

First, when the C8 is all electric or hybrid , put small high power speakers in the exhaust area playing a roaring C8 sound off the track. Surely someone will offer it . Maybe itunes.
Second, I`m glad I got the the performance package for $1500 or so. I`ve been watching all these vids offering aftermarket exhaust at a high price $4000 USD and up with only a few HP to gain except for the noise!

 

[drgmny]

The NPP option is a stand alone option which also comes standard with the Z51.
It is far from tame, but being a rear engine car it's hard to hear the exhaust in the cabin. Chevrolet pipes in some exhaust sound through the radio.
With NPP you get 2 options. Tour mode which has exhaust valves closed with exhaust going through the muffler and open where the exhaust bypasses the muffler. What likely makes aftermarket exhausts louder is the cats. You lose the valves with aftermarket exhausts

Really some exhaust sound comes through the radio speakers?? This is the first I have heard of that and I mean that literally LOL.

 

[TCinthe6]

Really some exhaust sound comes through the radio speakers?? This is the first I have heard of that and I mean that literally LOL.

Tons of manufacturers due this...Benz, BMW, GM.... hell, even the Jetta GLI from 10 years ago was pumping in engine sounds through the audio system and it sounded decent.

 

[drgmny]

Tons of manufacturers due this...Benz, BMW, GM.... hell, even the Jetta GLI from 10 years ago was pumping in engine sounds through the audio system and it sounded decent.

Yes I am aware of that but did not know my C8 had this feature as a matter of fact tell me where this feature is documented.

 

[harshadt]

Apparently GM did this on the C7 as well if the following is to be believed

2020 Corvette Reportedly Pipes Fake Engine Noise In Through Speakers [UPDATE]

The 2020 Chevrolet Corvette may pump in fake engine noises through the in-cabin speaker system, according to a new report.

www.google.ca

 

[Sparro]

Alright guys I got most of it buttoned up. Sounds great and yes, its loud. I'd say tour mode sounds like the old sport mode. I posted a video on YouTube. Its hard to tell on computer speakers but trust me, its loud!

 

[mousejunior]

Sound great

 

[drgmny]

Apparently GM did this on the C7 as well if the following is to be believed

2020 Corvette Reportedly Pipes Fake Engine Noise In Through Speakers [UPDATE]

The 2020 Chevrolet Corvette may pump in fake engine noises through the in-cabin speaker system, according to a new report.

www.google.ca

Thanks for that info

 

[kerry4]

What are all of you going to do when everything is electric??

Maybe GM will have an optional sound clip you can get that goes through the stereo.

 

[Gilles27]

Alright guys I got most of it buttoned up. Sounds great and yes, its loud. I'd say tour mode sounds like the old sport mode. I posted a video on YouTube. Its hard to tell on computer speakers but trust me, its loud!

Sparro, can't wait for all those guys that say NPP is enough to hear this beast in person. Sport cats, aftermarket wheels and lowering are the 3 must do's on all C8's.

 

[Murray20c8]

I was under the impression that no matter what, it started with the valves open and closed depending on the settings.
It was hard to tell because there was no smoke on startup. Anyway, it did sound louder just idling for sure

 

[Rruuff Day]

So update to my install is I couldn't do the headers. They do not fit in the convertible. They are too high. If you want headers for a convertible you have to wait for a vert version. The sport cats are in and its loud af. I did a test start today, big difference from stock. Tomorrow I'll try to button everything up and start it again for a longer duration.

Hard to tell in an enclosed garage. Would be nice to hear it outside without the enclosure turbulence Sparro. jmo

 

[DDHRocks]

Once the car is all electric you can have it sound like whatever you want! F1 Car, Gravedigger monster truck, 1982 Dodge Power Wagon, 1978 Yugo (did they even make a Yugo in 1978?). The possibilities are endless!

 

[Sparro]

Unfortunately it ain't going outside until the snow settles a little and my driveway is clear. But trust me, its loud. The guys that were at the C8 meet-up in the fall will remember Tony's car... it sounds like that.

 

[jimmyb]

Great video Sparro, your Vette sounds amazing.

Not sure if you already posted, what’s the brand of the sports cats you bought/where did you get them from? I see the Fabspeed ones come a lot, are they those ?