C7 performance exhaust option
Thread Starter
4th Gear
Joined: May 2015
Posts: 4
Likes: 0
C7 performance exhaust option
I neglected to get the better sound that comes with the performance exhaust option( in Sport mode) on my new C7.
I live in Arlington , Tx. Does anyone know where I can get this mod done in this area?Any and all info appreciated on this NPP exhaust appreciated.
I live in Arlington , Tx. Does anyone know where I can get this mod done in this area?Any and all info appreciated on this NPP exhaust appreciated.
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
Very hard to find a used set of NPP mufflers---Even used the set-up can be $1200 - Then you may need to buy an afterket controller to activate it--Not sure if you can reprogram a NON NPP car to work with NPP with stock parts---My choice would be to skip the NPP totally and simply get a cat back exhaust that will sound great--all the time !! NO switch----
Thread Starter
4th Gear
Joined: May 2015
Posts: 4
Likes: 0
Very hard to find a used set of NPP mufflers---Even used the set-up can be $1200 - Then you may need to buy an afterket controller to activate it--Not sure if you can reprogram a NON NPP car to work with NPP with stock parts---My choice would be to skip the NPP totally and simply get a cat back exhaust that will sound great--all the time !! NO switch----
Racer
Joined: Sep 2012
Posts: 408
Likes: 19
From: O'Fallon MO
A Cat Back replaces your stock exhaust from the Catalytic Convertors back. Borla, B&B, Corsa, etc manufacture aftermarket catback systems. Search this site and or youtube. They will have sound clips so you can get an idea of the tone of each system.
If you want the actual NPP search this; NPP Reverse-Engineered - Full Open/Close, Non-Factory-NPP Retrofit.
There is also the cut off the mufflers and replace with straight pipes route.
If you want the actual NPP search this; NPP Reverse-Engineered - Full Open/Close, Non-Factory-NPP Retrofit.
There is also the cut off the mufflers and replace with straight pipes route.
Thread Starter
4th Gear
Joined: May 2015
Posts: 4
Likes: 0
A Cat Back replaces your stock exhaust from the Catalytic Convertors back. Borla, B&B, Corsa, etc manufacture aftermarket catback systems. Search this site and or youtube. They will have sound clips so you can get an idea of the tone of each system.
If you want the actual NPP search this; NPP Reverse-Engineered - Full Open/Close, Non-Factory-NPP Retrofit.
There is also the cut off the mufflers and replace with straight pipes route.
If you want the actual NPP search this; NPP Reverse-Engineered - Full Open/Close, Non-Factory-NPP Retrofit.
There is also the cut off the mufflers and replace with straight pipes route.
Team Owner
Joined: Apr 2008
Posts: 22,545
Likes: 1,689
From: South Carolina
https://www.corvetteforum.com/forums...-retrofit.html
Some people here are smart and helpful...here is one of them.
Some people here are smart and helpful...here is one of them.
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Le Mans Master
Joined: Mar 2010
Posts: 7,052
Likes: 945
From: DFW TX
Racer
Joined: Feb 2015
Posts: 458
Likes: 20
Racer
Joined: Feb 2015
Posts: 458
Likes: 20
My car with headers/catless drones on the highway with flaps open. It's nice to be able to close them on the highway.
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
These cars have 4 cats unlike earlier Corvettes that had only 2---It is just barely louder than NPP exhaust---NO drone or resonance at all
When 1st started while the ignition is in "double pulse mode" it is loud--But after it warms up it settles down to a low rumble as NPP
NPP ordered from the dealer is $1200
A catback exhaust that open ups all 4 sides of the tips can range from $1500 to $3000
A muffler delete is the bomb----The dual SS tips from Flowmaster are only about $88 for both--- The muffler shop charged me $75 to install them-----So muffler delete cost------$150---
Racer
Joined: Feb 2015
Posts: 458
Likes: 20
NO WAY------I have the same exact mod----Mufflers cut off and the used the quad 4" Flowmaster Stainless tips
These cars have 4 cats unlike earlier Corvettes that had only 2---It is just barely louder than NPP exhaust---NO drone or resonance at all
When 1st started while the ignition is in "double pulse mode" it is loud--But after it warms up it settles down to a low rumble as NPP
NPP ordered from the dealer is $1200
A catback exhaust that open ups all 4 sides of the tips can range from $1500 to $3000
A muffler delete is the bomb----The dual SS tips from Flowmaster are only about $88 for both--- The muffler shop charged me $75 to install them-----So muffler delete cost------$150---
These cars have 4 cats unlike earlier Corvettes that had only 2---It is just barely louder than NPP exhaust---NO drone or resonance at all
When 1st started while the ignition is in "double pulse mode" it is loud--But after it warms up it settles down to a low rumble as NPP
NPP ordered from the dealer is $1200
A catback exhaust that open ups all 4 sides of the tips can range from $1500 to $3000
A muffler delete is the bomb----The dual SS tips from Flowmaster are only about $88 for both--- The muffler shop charged me $75 to install them-----So muffler delete cost------$150---
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
Rather than going the header route ( not legal here in Calif) I chose to intall a set of the MAP Performance ported stock exhaust manifolds-- Sound change was not noticeable during P/T but at WOT it's more throaty and seat of the pants HP felt better for sure
