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Old 08-23-2021, 03:15 PM   #1
backstroke3229
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Corsa NPP

Hey y'all,

Hope your Monday is going well. Someone once said the Corsa NPP is basically a Corsa Sport while the valves are closed and an Extreme with the valves open. Surprised that it's not quieter than a Sport with the valves shut. Can anyone who owns one chime in?
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Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 08-23-2021, 07:45 PM   #2
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I’m looking at it. From what I’ve read it’s the best mild to wild system out there. However I’m ok with the stock NPP now. I could use a little more volume wide open given I have HF Cats and that tames the headers a little. It’s salty though.
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Old 08-25-2021, 09:06 AM   #3
backstroke3229
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Good to know. I had a Borla S-Type NPP with catless headers and that girl was LOUD. With the valves shut it was decently quiet, but obviously didn't sound very good. Currently have a Corsa Sport and LOVE it, but there's no way to quiet it down. Would like to go with a Corsa NPP, but if it sounds the same as a Sport with the valves closed, no point in spending the coin.
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2017 Camaro SS 1LE:
Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 08-25-2021, 09:43 AM   #4
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It's quieter then sport with valves closed. I would say it's more like a "touring". Honestly it's not much if any louder then the stock NPP open with Corsa closed. Open it's much louder but tolerable at idle & part thorttle...WOT it screams.
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Last edited by KingLT1; 08-25-2021 at 09:55 AM.
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Old 08-25-2021, 09:48 AM   #5
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I have the Corsa NPP and I would confirm its pretty mild to wild. I don't know if its as loud as sport with valves closed or not, but this is what Corsa sent me a while back.

Stock: NPP Closed - 91.3 dB
Stock: NPP Open - 94.0 dB
Corsa: NPP Closed - 97.5 dB
Corsa: NPP Open - 108.4 dB

Gate guard at work stopped me this morning to ask about the exhaust and hear some revs, it sounds great.
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Old 08-26-2021, 10:50 AM   #6
backstroke3229
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Thanks for the info, y'all. Anyone know how the noise levels compare to a Borla S-Type?
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2017 Camaro SS 1LE:
Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 08-26-2021, 03:55 PM   #7
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I believe The Borla sport is going to be in-between the Corsa NPP meaning valves closed "Touring" level, valves open will be more like the "Attack" or "Extreme". You get the mild to wild effect with the Corsa Npp.
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Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
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Old 08-27-2021, 05:11 PM   #8
backstroke3229
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Thanks for the info! Will report back if I end up getting one, but looks like they're out of stock basically everywhere.
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2017 Camaro SS 1LE:
Kooks Catless Headers | Corsa Sport Catback | Rotofab | E85 | LT2 Intake Mani | Tuned by Rickifast | Apex SM-10's, 19x10 & 19x11 | Side Skirts | Mud Guards | Wickerbill

2004 Tahoe Z71:
Doug Thorley Tri-Y Catless Headers | K&N | Corsa Sport Catback | E85 | Tuned by Blackbear Performance
18x10 -24 Moto Metals | 33x12.5x18's BFG K/O 2's | Full Dynamat | 2x10" Subs, 750W RMS | 4x6.5's, 75W RMS
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Old 08-27-2021, 05:46 PM   #9
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They have been out of stock since they came out. They are built to order...mine took almost 3.5months to get instead of the 2-3 weeks I was initially quoted.
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2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
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Old 09-12-2021, 11:45 PM   #10
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Anyone have sound clips of theirs?
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Old 11-08-2021, 10:38 PM   #11
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Bumping an old thread here, but has anyone received theirs recently?
It's been over 4 months since I paid for mine now and I still don't have an eta.
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Old 11-09-2021, 07:50 AM   #12
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Quote:
Originally Posted by yourmomshouse View Post
Bumping an old thread here, but has anyone received theirs recently?
It's been over 4 months since I paid for mine now and I still don't have an eta.
Have you reached out asking for an ETA? They gave me a 3 month timeline and it came in about 4 weeks.
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Old 11-09-2021, 05:48 PM   #13
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Cancelled my order thru CSP after like 4 missed Corsa ETAs and 3.5 months and just wasn't worth the 2k anymore to me for an axleback
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