03-14-2018, 01:54 PM | #1 |
Aftermarket NPP exhaust for 2018 ZL1
What’s a good aftermarket system that uses a he NPP function and sounds good and loud when open but is close to stock with no drone when closed. I know there are only a few options but I don’t wanna lose the quiet note when there closed like on my stock exhaust.
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03-14-2018, 02:32 PM | #2 |
Drives: 22' Porsche PDK GT4 Join Date: Mar 2018
Location: Bay Area
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CORSA!!!
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03-14-2018, 02:35 PM | #3 |
Ya but corsa doesn’t have an NPP option and I needs to keep that for when I do headers. Need the quiet mode for my neighborhood
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03-14-2018, 02:54 PM | #4 |
Drives: Grandad's C2 L89 Join Date: May 2017
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With headers and a cat/secondary cat delete with new x pipe/mid pipes added, I personally would leave the OEM suitcase in place.
With that said, Borla and aFE, IMHO have both fabricated a really nice aftermarket exhaust. Both are NPP.
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2018 ZL1 1LE sw/PDR
Last edited by waterman; 03-14-2018 at 02:55 PM. Reason: omission |
03-14-2018, 03:20 PM | #5 |
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My neighbors Harley is way louder than my ZL1.
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03-14-2018, 03:59 PM | #6 |
Drives: 22' Porsche PDK GT4 Join Date: Mar 2018
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03-14-2018, 04:11 PM | #7 |
Drives: 2016 1ss camaro Join Date: Feb 2016
Location: 909
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afe power makes one i have it on my ss
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16 1SS NIGHTFALL GRAY METALLIC WITH NPP #BECAUSERACECAR #SAVETHEMANUALS
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03-14-2018, 04:37 PM | #8 |
Drives: Fast Join Date: Mar 2015
Location: Michigan
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Corsa does not make a dual mode exhaust or as paraphrased here "NPP" which is actually the old option code I believe.
Borla S-Type and ATAK both look like solid (EXPENSIVE and IMO Overpriced) systems. Stainless Works I believe is dual mode. But if you want the best, look at Meisterschaft by GT Haus. It starts at $1999 without valves and then can be modified from there. If you have the coin, it's the best. |
03-14-2018, 04:57 PM | #9 |
Drives: 69 Z28, 2018 ZL1 1LE Join Date: Jul 2017
Location: Georgia
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03-14-2018, 04:57 PM | #10 |
I thought about leaving the stock exhaust and doing headers and midpioe but wasn’t sure if I was missing out on some horsepower leaving stock exhaust in
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03-14-2018, 05:02 PM | #11 |
Drives: Fast Join Date: Mar 2015
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03-14-2018, 06:05 PM | #12 |
Drives: ZL1 Join Date: Jul 2017
Location: Texas
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03-14-2018, 06:49 PM | #13 |
Bupp Motorsports
Drives: 2017 Summit White ZL1 A10 Join Date: Jun 2013
Location: Fort Lauderdale fl
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I beat this topic to death. I had stainless works on my car and it was so loud even with the valves closed it was awful I put the stock muffler back on and ran the mid pipe all the way back. I saw ZERO hp increase on the dyno.
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2017 ZL1 A10 Summit White LPE LOWER PULLEY, ARH 2" LONG TUBES NO CATS, KATECH CNC TB, BMR LOWERING SPRINGS,STRASSE FORGED MONOBLOCK WHEELS
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03-14-2018, 06:53 PM | #14 |
U235 is fun!
Drives: CGM 2SS/M6 Join Date: Apr 2009
Location: Florence, AL
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SOMEone needs to wake those folks at SOLO performance up and explain to them the market they are missing.. Those guys made THE best exhuast for the 5thGen and they were cheap.. Would still recommend anyone w/ a 5thGen to shop those guys!
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