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04-14-2017, 04:26 PM
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#1 |
 Drives: 1970 Boss 302 Join Date: May 2009
Location: South Carolina
Posts: 267
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Npp and performance TV bb
Is an npp car any faster than a regular exhaust car ? I can find several non lss cars for sale but few npp lss cars. I know it,s a sound issue but would it be a deal breaker for you if the car had normal exhaust ?
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04-14-2017, 04:35 PM
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#2 |
 Drives: Camaro 1SS Join Date: Apr 2016
Location: NY
Posts: 125
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The NPP exhaust is strictly for sound control and you will not see any performance benefits from it. In Sport and Track mode, the NPP exhaust can be louder than the regular exhaust and I highly recommend it if you do not want to modify your exhaust.
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04-14-2017, 04:40 PM
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#3 |
Drives: 2017 Camaro SS & 2018 ZL1 1LE Join Date: Mar 2017
Location: Nashville
Posts: 225
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I highly recommend the npp it sounds absolutely amazing worth every penny
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04-14-2017, 04:45 PM
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#4 | |
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Drives: Camaro 1SS Join Date: Apr 2016
Location: NY
Posts: 125
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04-14-2017, 08:36 PM
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#5 |
     
Drives: 18 Silverado 1500 Join Date: Dec 2015
Location: Bradenton, FL
Posts: 1,721
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I had the same comments a couple days ago. Two guys assumed I had major exhaust work done.
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16 Red Hot 2SS A8: NPP, CAI Cold air, Ported TB, Fasterproms Ported intake, E85 flex, Formatto tuned. 11.80@118 with 1.92 60' (600-700 DA) on stock run flats.
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04-14-2017, 08:48 PM
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#6 |
Drives: 02 Camaro SS 6M / 11 GMC Sierra Join Date: Mar 2017
Location: Pickering, Ontario, Canada
Posts: 1,096
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I know they're not sitting on dealer lots. But I would a hundred percent put in a factory order to get the NPP. It sounds absolutely fantastic while you're at it get a manual
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04-14-2017, 08:55 PM
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#7 | |
 Drives: 2017 50th SS convertible Join Date: Oct 2016
Location: Williamsburg VA
Posts: 380
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Quote:
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04-14-2017, 09:43 PM
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#8 |
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Scientific negotiator
Drives: 2019 Grand Sport Join Date: Mar 2017
Location: Forsyth, GA
Posts: 873
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I'm surprised that GM didn't list the NPP Camaro as +5HP as they did with the LT1 C7.
I'm with you guys, it's a sound thing, but am still surprised. +1000 on the sound. My car sounds MUCH better than my stock C7 did (also had NPP)
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2019 Grand Sport M7
2018 ZL1 1LE 6MT 2017 SS 1LE 6MT . Matthew 25:40 ΜΟΛΩΝ ΛΑβΕ |
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04-14-2017, 11:46 PM
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#9 |
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Drives: Hyper Blue 2SS Join Date: Jun 2013
Location: CA
Posts: 1,160
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I passed on a number of cars because they didn't have NPP or a sunroof
the pop pop pops are incredible especially in track mode . .
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2SS, Hyper Blue, 8-Speed Automatic, NPP Exhaust, Magnetic Ride Control, Sunroof, Navigation, 5-Spoke Low-Gloss Black Wheels, Black Bowtie Emblems, Cargo Mat/Net
Mods: XPEL - Hood, Bumper, Headlights, & Side Mirrors JWM - Side Markers ZL1 Addons - Deluxe Rock Guards & Red Lift Pads GM - Dark Tail Lamps MRR - Gloss Black M017s |
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04-15-2017, 12:57 AM
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#10 |
 
Drives: 2018 Audi TT RS Join Date: Jan 2014
Location: Navarre, Florida
Posts: 1,915
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The pops are what keeps me out of track mode--or more so, manually shifting the car. If/when I get a tune, the first thing I'm going to request is to remove that "feature," if you will. It should all boil down to fuel starvation on deceleration.
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2018 Audi TT ▊RS
2.4X 0-60, 1.6X 60', 120+mph 1/8th, 4.XX 60-130, 150+mph traps on 255/35/18 R888R tires on the street (unprepped). 2019 Audi RS3 About as fast as the TT RS 2019 Camaro ZL1 1LE Sold 2018 Camaro SS 1LE Sold 2019 Corvette Z06 Sold 2021 Charger Hellcat Redeye Widebody Sold |
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04-15-2017, 06:45 AM
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#11 |
Drives: 2016 Camaro 2SS Join Date: Mar 2016
Location: Suffolk Long Island
Posts: 954
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Im pretty sure Parish here did an open vs closed on the dyno and saw a few hp it was so small it could have been from dyno varience from one pull to the next
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2016 Hyper Blue 2SS A8,NPP,Moonroof
Pray ported factory intake manifold Ported TB Rotofab ARH 1 7/8 longtubes hi flow cats AFM deleted E85 11.0@124.9 11.65@118.8 pump gas,stock tune/exhaust New combo: Pray Performance Heads/cam MSD intake manifold and Circle D 3C 554/491 on E85 all work & tuning done by Pray |
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04-15-2017, 06:52 AM
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#12 |
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Retired from Car mfrs....
Drives: 2LT RS/HR-V Join Date: May 2013
Location: /Fort Lauderdale
Posts: 10,048
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We just had this discussion last week here. A person who went to Camaro fest last year and talk to the powertrain engineers; they said there was no horsepower increase for the Camaro with the NPP, unlike the C7.
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04-15-2017, 07:04 AM
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#13 | |
  Drives: 17 Camaro SS 1LE & 16 Sierra AT CC Join Date: Nov 2016
Location: Norman, OK
Posts: 2,424
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04-15-2017, 08:20 AM
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#14 | |
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Snackbar Tuning
Drives: 2023 SGM ZL1 Join Date: Oct 2016
Location: Florida
Posts: 1,114
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Quote:
There is a thread where the NPP exhaust was cut open so you could see its internals. In closed mode it is very restrictive. Even the manual says that you should never go full throttle in "Snow/Ice" mode since it keeps the valves closed. Anyone ever find a cutaway picture of a non NPP rear section? |
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