Long tube headers - barking noise on upshift

atmosphere617 · 08-05-2021, 11:25 PM

Hello everyone!

First post here, but I've been reading this forum for months now. Thanks for all the great info.

I just installed TSP 1-7/8 LT headers and MBRP axel back exhaust. I'm in the process of doing a remote tune, and I just flashed the base one, but I still need to data log and get it dialed in.

Its running pretty decent after the tune, but I'm noticing that on my upshifts there's a loud raspy barking noise, it doesn't sound very good. Is anyone aware of something I can do to fix this? Is there something that can be fixed in the tune? My car is 2018 1LE 1SS with an M6.

Thanks in advance for reading!!

Baddawg53 · 08-05-2021, 11:39 PM

My headers sounded way better after I added in the borla resonators. Really gets rid of the obnoxious rasp. Highly recommend.

Spaceme1117 · 08-06-2021, 05:38 AM

Quote:

Originally Posted by atmosphere617

Hello everyone!

First post here, but I've been reading this forum for months now. Thanks for all the great info.

I just installed TSP 1-7/8 LT headers and MBRP axel back exhaust. I'm in the process of doing a remote tune, and I just flashed the base one, but I still need to data log and get it dialed in.

Its running pretty decent after the tune, but I'm noticing that on my upshifts there's a loud raspy barking noise, it doesn't sound very good. Is anyone aware of something I can do to fix this? Is there something that can be fixed in the tune? My car is 2018 1LE 1SS with an M6.

Thanks in advance for reading!!

Are you running cats or catless?

s346k · 08-06-2021, 06:23 AM

are you no lift shifting? got a vid?

i'm guessing it's the nls feature doing its thing.

atmosphere617 · 08-06-2021, 06:56 AM

Quote:

Originally Posted by Spaceme1117

Are you running cats or catless?

I'm catless

atmosphere617 · 08-06-2021, 06:59 AM

Quote:

Originally Posted by s346k

are you no lift shifting? got a vid?

i'm guessing it's the nls feature doing its thing.

I haven't even tried NLS, been taking it easy on her while I get the tune dialed in. It seems to be happening as low as 3k RPMs. It's most noticable when going from 1st to 2nd and 2nd to 3rd. I'll try to get a video of it today.

snekk · 08-06-2021, 11:56 AM

It sounds like something simillar to Fast Path Torque Reduction (aka DSG farts) that a lot of automatic and rev-match manual Turbo 4 cylinder cars like the GTI and Veloster N have these days.

Redlinez · 08-06-2021, 01:23 PM

It kind of sounds like the exhaust might be hitting something. These engine mounts have been known to leak the fluid out too.

appleman22 · 08-06-2021, 02:05 PM

catless always tends to sound like shit. Put cats or a good resonator setup in

Spaceme1117 · 08-06-2021, 02:21 PM

Quote:

Originally Posted by appleman22

catless always tends to sound like shit. Put cats or a good resonator setup in

This.

atmosphere617 · 08-06-2021, 03:31 PM

Quote:

Originally Posted by appleman22

catless always tends to sound like shit. Put cats or a good resonator setup in

Yeah, I'm starting to wish I did the catted connection pipes instead of the off road pipes from TSP. Kinda bummed, b/c it doesn't look like they sell just the catted connection pipe I would need.

Redlinez · 08-06-2021, 03:34 PM

The shop I use showed me all the ruined aftermarket cats in a huge pile. I have always been one to only use catted headers, but they talked me out of it. You could always try some resonators like others have suggested. I have a set of 2" TSP headers and off road pipes waiting to go on. Sounds like the typical should have left it stock feeling coming on again........

SnowWhiteSS · 08-06-2021, 06:10 PM

Don’t feel bad about your purchase. Catted headers tend to sound better because they filter noise, but they can go bad especially if you plan on running tons of power. 1 7/8 inch headers without cats or mufflers just sound like that. They rasp pretty hard. 2” headers don’t do it nearly as much, but if you want it to go away, look into some resonators and a muffler to help buffer some of those unwanted frequencies. Stainless works legend series does a pretty good job at this. So does borla s line and AWE touring. Pretty much anything with a decent muffler.

cmitchell17 · 08-06-2021, 06:56 PM

I put this in:

https://www.magnaflow.com/products/1...rmance-muffler

I put it in place of the factory x pipe location on the NPP. There is a thread about it somewhere around here. I am still not satisfied, mainly because I want refined and more exotic and luxurious sound.

This muffler did take away the annoying and overly loud startup rasp, but at the same time took away the growl of the stock exhaust at idle and low throttle/low rpms. It also got rid of the obnoxious and over loudness at WOT, so now you can go WOT and not worry so much about 80 different people calling the cops on you.

I am wishing I did the Borla resonator like some other people were talking about, I am just not sure if that actually attenuates any sound at all. This magnaflow x-pipe muffler actually has fiber packing to attenuate sound.

I have since put my stock exhaust manifolds and both cats back on and sold my headers. I sold the headers because I can't stand the crappy broken POS ticking sounds. Although I can still hear them with the stock exhaust. Now the car kind of sounds like a old crappy van/work truck that the factory exhaust rusted off, so someone welded in their own pipe and put a cheap muffler from the auto parts store on haha.

08-05-2021, 11:25 PM	#1
atmosphere617 Drives: 17 SS Camaro 1LE Join Date: Jul 2021 Location: MO Posts: 7	Long tube headers - barking noise on upshift Hello everyone! First post here, but I've been reading this forum for months now. Thanks for all the great info. I just installed TSP 1-7/8 LT headers and MBRP axel back exhaust. I'm in the process of doing a remote tune, and I just flashed the base one, but I still need to data log and get it dialed in. Its running pretty decent after the tune, but I'm noticing that on my upshifts there's a loud raspy barking noise, it doesn't sound very good. Is anyone aware of something I can do to fix this? Is there something that can be fixed in the tune? My car is 2018 1LE 1SS with an M6. Thanks in advance for reading!!

08-06-2021, 06:23 AM	#4
s346k Drives: like an old lady Join Date: Jun 2012 Location: indiana Posts: 2,395	are you no lift shifting? got a vid? i'm guessing it's the nls feature doing its thing. __________________ 2016+ camaro: everyone’s first car

08-06-2021, 11:56 AM	#7
snekk Drives: 2021 Camaro 1SS 1LE 10AT Join Date: Jul 2021 Location: Universe Posts: 26	It sounds like something simillar to Fast Path Torque Reduction (aka DSG farts) that a lot of automatic and rev-match manual Turbo 4 cylinder cars like the GTI and Veloster N have these days. __________________ 2021 Camaro 1SS 1LE 10AT (Track) Wild Cherry Tintcoat Mobil1 ESP 0W-40 w/ ACdelco P64 filter Castrol SRF Brake Fluid Track Alignment (-2 Front, -1.5 Rear, 0.1 Toe) 2019 VW Golf R DSG (Daily/AutoX) EQT Stage 1 ECU/TCU Tune 350whp, 3.6s 0-60

08-06-2021, 01:23 PM	#8
Redlinez Shifts under load Drives: 2020 Camaro 1SS 1LE rally green Join Date: Apr 2017 Location: Fuquay-Varina, NC Posts: 1,295	It kind of sounds like the exhaust might be hitting something. These engine mounts have been known to leak the fluid out too. __________________ 24 Audi S3 prem plus, sport package HPDE - southeast - JTI- solo, PCA- blue. 22 Suzuki GSX-S 1000GT blue

08-06-2021, 03:34 PM	#12
Redlinez Shifts under load Drives: 2020 Camaro 1SS 1LE rally green Join Date: Apr 2017 Location: Fuquay-Varina, NC Posts: 1,295	The shop I use showed me all the ruined aftermarket cats in a huge pile. I have always been one to only use catted headers, but they talked me out of it. You could always try some resonators like others have suggested. I have a set of 2" TSP headers and off road pipes waiting to go on. Sounds like the typical should have left it stock feeling coming on again........ __________________ 24 Audi S3 prem plus, sport package HPDE - southeast - JTI- solo, PCA- blue. 22 Suzuki GSX-S 1000GT blue

08-05-2021, 11:39 PM	#2
Baddawg53 Drives: 17 hyper blue 2SS M6 Join Date: Mar 2018 Location: NorCal Posts: 594	My headers sounded way better after I added in the borla resonators. Really gets rid of the obnoxious rasp. Highly recommend.

08-06-2021, 02:05 PM	#9
appleman22 Drives: 2017 1ss 1le Join Date: Sep 2015 Location: new york Posts: 436	catless always tends to sound like shit. Put cats or a good resonator setup in

08-06-2021, 06:10 PM	#13
SnowWhiteSS Drives: 2017 Camaro SS Join Date: Jun 2021 Location: Waldorf, MD Posts: 36	Don’t feel bad about your purchase. Catted headers tend to sound better because they filter noise, but they can go bad especially if you plan on running tons of power. 1 7/8 inch headers without cats or mufflers just sound like that. They rasp pretty hard. 2” headers don’t do it nearly as much, but if you want it to go away, look into some resonators and a muffler to help buffer some of those unwanted frequencies. Stainless works legend series does a pretty good job at this. So does borla s line and AWE touring. Pretty much anything with a decent muffler.

08-06-2021, 06:56 PM	#14
cmitchell17 Drives: 17 2SS, 8L90, Cam, Heads, E85 Join Date: Dec 2016 Location: US Posts: 1,200	I put this in: https://www.magnaflow.com/products/1...rmance-muffler I put it in place of the factory x pipe location on the NPP. There is a thread about it somewhere around here. I am still not satisfied, mainly because I want refined and more exotic and luxurious sound. This muffler did take away the annoying and overly loud startup rasp, but at the same time took away the growl of the stock exhaust at idle and low throttle/low rpms. It also got rid of the obnoxious and over loudness at WOT, so now you can go WOT and not worry so much about 80 different people calling the cops on you. I am wishing I did the Borla resonator like some other people were talking about, I am just not sure if that actually attenuates any sound at all. This magnaflow x-pipe muffler actually has fiber packing to attenuate sound. I have since put my stock exhaust manifolds and both cats back on and sold my headers. I sold the headers because I can't stand the crappy broken POS ticking sounds. Although I can still hear them with the stock exhaust. Now the car kind of sounds like a old crappy van/work truck that the factory exhaust rusted off, so someone welded in their own pipe and put a cheap muffler from the auto parts store on haha.

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