08-21-2019, 07:49 AM | #1 |
Drives: 2016 Camaro 2SS, NPP, A8, FBO, E85 Join Date: Oct 2016
Location: Springfield,VA
Posts: 884
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Crackles and pops after TSP headers install
hey guys! So i recently installed the TSP headers 1 7/8" on my car. after the installation, the car had the loudest crackles and pops and it sounded amazing. After 3 - 4 weeks later the car doesnt crackle or pop no where near like it used to, like it doesnt even almost crackle or pop at all. Any one know why? it did it when it was stock and it sounded good after i installed the headers it sounded even better and even louder but now its almost gone completely. Just for some insight as to why its gone and what can i do to get it back. The setup is TSP 1 7/8' headers with off roads cats straight back to the NPP mufflers.
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Well............ At least you tried. lol
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08-21-2019, 12:09 PM | #2 |
Drives: 2018 Camaro ZL1 A10 Join Date: Nov 2018
Location: West Chester, PA
Posts: 462
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This sometimes has something to do with the tune. I would start there.
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08-21-2019, 12:14 PM | #3 |
Dumb Ass Deluxe
Drives: A Tricked Out Mountain Bike Join Date: Jun 2019
Location: Arizona
Posts: 1,959
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It was probably running lean and the ECU corrected it.
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08-22-2019, 04:36 PM | #4 | ||
Drives: '18 1SS 1LE Join Date: Sep 2017
Location: Pennsyltucky
Posts: 2,571
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Quote:
Quote:
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'18 1SS 1LE Black, PDR
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08-23-2019, 05:37 AM | #5 |
Drives: 2019 GMC Sierra 1500 AT4 Join Date: Nov 2011
Location: Orange, TX
Posts: 740
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I keep seeing stuff like this when people talk about headers. When I did the VVE tuning in mine I measured it as running rich and had to cut a bit of fuel. At no point did it run lean.
Also, my pops weren't really affected by fueling. It was all related to timing.
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2019 GMC Sierra 1500 AT4
Summit White 6" Lift, 37x13.50R24's |
08-23-2019, 07:22 AM | #6 |
Drives: 2016 Camaro 2SS, NPP, A8, FBO, E85 Join Date: Oct 2016
Location: Springfield,VA
Posts: 884
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the car has not been tuned yet. will be tuned next month after all the mods have been installed.
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Well............ At least you tried. lol
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08-23-2019, 07:35 AM | #7 |
Drives: 6th gen Join Date: Aug 2013
Location: US
Posts: 3,675
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08-23-2019, 08:22 AM | #8 | |
Drives: 2019 GMC Sierra 1500 AT4 Join Date: Nov 2011
Location: Orange, TX
Posts: 740
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Quote:
edit: also disabled DFCO and CFCO, but I'm thinking about re-enabling CFCO. I get some weird drivability issues when I upshift without rev match enabled. The rpms hang and I have to slow shift. Doesn't do it when rev match is enabled, though, and I had thought rev match only affected downshifts. Need to do some more logging and try to figure it out I guess.
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2019 GMC Sierra 1500 AT4
Summit White 6" Lift, 37x13.50R24's |
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08-23-2019, 08:29 AM | #9 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,796
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TUNE
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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 |
08-23-2019, 10:57 AM | #10 | |
Drives: 2017 SS 1LE Join Date: Sep 2011
Location: Los Angeles
Posts: 154
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08-27-2019, 01:58 PM | #11 |
Drives: 2016 Hyper Blue 2SS Join Date: Feb 2016
Location: Layton, UT
Posts: 498
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I'm curious how you did it also.
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2SS Hyper Blue Metallic | A8 | Jet Black Interior | NPP Exhaust
Current Mods: Catch Can | aFe Lowering Springs | GM 2nd Gen Splitter | Hotchkis Sway Bars | MRR FS02 Wheels | Flowmaster Exhaust | Dark Tail Lights | Diode Dynamics Sidemarkers | Roto Fab | Solar TB | PRAY Ported IM | BMR | PRAY Tune Upcoming Mods: |
08-27-2019, 04:09 PM | #12 | |
Drives: 2018 2SS M6 Redline Join Date: Oct 2014
Location: United States
Posts: 431
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Quote:
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08-28-2019, 01:44 AM | #13 |
Daily Driven 1LE
Drives: 2018 1SS 1LE Join Date: May 2018
Location: Fort Knox, KY
Posts: 293
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So let me get this straight. You people are tuning your cars to deliberately produce back fires? This sounds as obnoxious as the trolls who roll coal. I get that it does this from the factory....but going beyond that with catless LTs? Smfh
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2018 1SS 1LE
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08-28-2019, 05:49 AM | #14 |
Drives: 2019 GMC Sierra 1500 AT4 Join Date: Nov 2011
Location: Orange, TX
Posts: 740
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I leave at 4:30am to go to work 6 days a week. It's NPP valves closed and shifts at 1500 until I hit the highway.
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2019 GMC Sierra 1500 AT4
Summit White 6" Lift, 37x13.50R24's |
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