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Aftermarket exhaust
#12235284
05/08/17 12:03 AM
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Joined: Dec 2012
Posts: 255
Eddyc01
OP
Angler
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OP
Angler
Joined: Dec 2012
Posts: 255 |
I just bought a 2017 GMC Sierra Elevation about a month and a half ago. I was considering installing a Borla aftermarket cat back exhaust on it. Will installing it void any warranty? Some say yes, some say no. What's the real answer ??
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Re: Aftermarket exhaust
[Re: Eddyc01]
#12235315
05/08/17 12:29 AM
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Joined: May 2013
Posts: 444
MarcM64
Angler
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Angler
Joined: May 2013
Posts: 444 |
I would say yes, but ask the service manager at the dealer! When I worked for a Cadillac dealer, if you even put new wheels on it, it voided the whole warranty, but thats been a few years ago. It probably says so in your owners manual!
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Re: Aftermarket exhaust
[Re: Eddyc01]
#12235409
05/08/17 01:38 AM
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Joined: Jul 2015
Posts: 19,764
Bee'z
honey boo boo
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honey boo boo
Joined: Jul 2015
Posts: 19,764 |
Probably will and my 2011 loved the back pressure of the stock exhaust. I installed a magnaflow system and low end torque packed his stuff and left.
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Re: Aftermarket exhaust
[Re: Eddyc01]
#12235448
05/08/17 01:56 AM
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Joined: Jul 2008
Posts: 725
Titleist77
Pro Angler
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Pro Angler
Joined: Jul 2008
Posts: 725 |
I've got the borla s type on my 2016 5.3 gmc all terrain. Excellent fitment and sound. If your worried about warranty, just keep your stock exhaust. It comes out in 1 piece and can easily be returned to stock.
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Re: Aftermarket exhaust
[Re: Eddyc01]
#12238346
05/09/17 09:55 PM
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Joined: Jan 2011
Posts: 3,686
Todd
TFF Team Angler
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TFF Team Angler
Joined: Jan 2011
Posts: 3,686 |
No is the real answer. I'm a GM tech and we don't worry about exhaust, air intakes, wheels, audio, aftermarket running boards, and most bolt on accessories. Now if they are causing a problem its not covered. Say you have a K&N air filter and you over oil it. It will damage the MAF sensor and that's not covered. You might not know because you'll bring it in with a check engine light then we find out that it was caused by oil and that won't be covered but your warranty will not be voided.
The problem you might have is a good exhaust will not sound good when your vehicle deactivates cylinders for the active fuel management. There is a program that will keep it in V8 mode but that will void your warranty. Don't change any programs and you can do a lot of stuff and not void warranty.
Worked for GM dealers for 25 years and I've never seen a warranty voided. It can happen but I've seen cars with big race cams, NOX, and they have even come in with slicks on and we cover them. Takes some serious stuff (modify programming) to get a warranty voided and the manufacture has to get involved. Dealers want happy customer so they will come back and buy cars. They mostly turn a blind eye to what the customer have done to their vehicles. Just remember if the aftermarket component is causing a problem that problem will not be covered but the rest of the vehicle is still covered.
Last edited by Todd; 05/09/17 10:07 PM.
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Re: Aftermarket exhaust
[Re: Eddyc01]
#12238354
05/09/17 10:01 PM
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Joined: Jan 2005
Posts: 7,485
redchevy
TFF Celebrity
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TFF Celebrity
Joined: Jan 2005
Posts: 7,485 |
If your doing it for performance your wasting your time unless your doing a lot of other things that will void your warranty.
If your doing it for the sound, just get the mufflers swapped out.
If your just doing it to be cool then either throw your money away and say yeah man I'm cool, or be smart and keep it in your pocket.
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Re: Aftermarket exhaust
[Re: Eddyc01]
#12239600
05/10/17 05:53 PM
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Joined: Apr 2004
Posts: 13,992
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 13,992 |
2200 Bay Champ/200 Mercury Optimax 2017 Tundra TSS 4x4 Crewmax 5.7L
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Re: Aftermarket exhaust
[Re: Eddyc01]
#12239631
05/10/17 06:11 PM
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Joined: Mar 2005
Posts: 1,621
psycho0819
Extreme Angler
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Extreme Angler
Joined: Mar 2005
Posts: 1,621 |
Never understood aftermarket exhaust on a stock engine, especially a cat-back system. Little to no performance gain, often a performance loss, and rarely does it sound as good as the owner thinks it does.
If you're not living on the edge, you're taking up too much space!
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Re: Aftermarket exhaust
[Re: psycho0819]
#12241220
05/11/17 04:35 PM
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Joined: Jul 2008
Posts: 725
Titleist77
Pro Angler
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Pro Angler
Joined: Jul 2008
Posts: 725 |
Never understood aftermarket exhaust on a stock engine, especially a cat-back system. Little to no performance gain, often a performance loss, and rarely does it sound as good as the owner thinks it does. Pretty easy for me to understand, just depends on owners specific desire. For me, I got rid of the ugly/rattling AFM flapper valve for a nice looking/fitting borla. Combination of the catback and AFE momentum gt CAI, acceleration is a vast improvement. Check out blackbear performance, as a catback, cai, and one of their tunes makes for a whole new truck on a stock engine.
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Re: Aftermarket exhaust
[Re: Titleist77]
#12241341
05/11/17 05:40 PM
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Joined: Jan 2005
Posts: 7,485
redchevy
TFF Celebrity
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TFF Celebrity
Joined: Jan 2005
Posts: 7,485 |
Never understood aftermarket exhaust on a stock engine, especially a cat-back system. Little to no performance gain, often a performance loss, and rarely does it sound as good as the owner thinks it does. Pretty easy for me to understand, just depends on owners specific desire. For me, I got rid of the ugly/rattling AFM flapper valve for a nice looking/fitting borla. Combination of the catback and AFE momentum gt CAI, acceleration is a vast improvement. Check out blackbear performance, as a catback, cai, and one of their tunes makes for a whole new truck on a stock engine. Your talking doing a lot more than just an exhaust at a lot more cost and things that will probably hinder your warranty. Simply tuning out the torque management or whatever they call it that serves to protect and prolong the life of the transmission will change a lot too.
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Re: Aftermarket exhaust
[Re: redchevy]
#12241360
05/11/17 05:54 PM
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Joined: Jul 2008
Posts: 725
Titleist77
Pro Angler
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Pro Angler
Joined: Jul 2008
Posts: 725 |
Never understood aftermarket exhaust on a stock engine, especially a cat-back system. Little to no performance gain, often a performance loss, and rarely does it sound as good as the owner thinks it does. Pretty easy for me to understand, just depends on owners specific desire. For me, I got rid of the ugly/rattling AFM flapper valve for a nice looking/fitting borla. Combination of the catback and AFE momentum gt CAI, acceleration is a vast improvement. Check out blackbear performance, as a catback, cai, and one of their tunes makes for a whole new truck on a stock engine. Your talking doing a lot more than just an exhaust at a lot more cost and things that will probably hinder your warranty. Simply tuning out the torque management or whatever they call it that serves to protect and prolong the life of the transmission will change a lot too. No doubt a tune will cause warranty issues, I was simply using as a possibility for someone wanting max power from stock motor.
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Re: Aftermarket exhaust
[Re: Todd]
#12251561
05/18/17 03:35 PM
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Joined: Apr 2010
Posts: 2,236
RudyDep
Extreme Angler
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Extreme Angler
Joined: Apr 2010
Posts: 2,236 |
No is the real answer. I'm a GM tech and we don't worry about exhaust, air intakes, wheels, audio, aftermarket running boards, and most bolt on accessories. Now if they are causing a problem its not covered. Say you have a K&N air filter and you over oil it. It will damage the MAF sensor and that's not covered. You might not know because you'll bring it in with a check engine light then we find out that it was caused by oil and that won't be covered but your warranty will not be voided.
The problem you might have is a good exhaust will not sound good when your vehicle deactivates cylinders for the active fuel management. There is a program that will keep it in V8 mode but that will void your warranty. Don't change any programs and you can do a lot of stuff and not void warranty.
Worked for GM dealers for 25 years and I've never seen a warranty voided. It can happen but I've seen cars with big race cams, NOX, and they have even come in with slicks on and we cover them. Takes some serious stuff (modify programming) to get a warranty voided and the manufacture has to get involved. Dealers want happy customer so they will come back and buy cars. They mostly turn a blind eye to what the customer have done to their vehicles. Just remember if the aftermarket component is causing a problem that problem will not be covered but the rest of the vehicle is still covered. Todd that is the first accurate and truthful thing that I have read on warranty issues due to aftermarket add ons. Thank you for that!!
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