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Old 09-27-2025, 07:52 AM   #1
Smokin19

 
Drives: 19' ZL1 A10, w/pdr
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Stainless Works exhaust

Is anyone here with a ZL1 running the Stainless Works npp exhaust? Any issues with this exhaust or look somewhere else. Video clip would be appreciated.
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Old 09-27-2025, 09:13 AM   #2
RobZL1
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See the link in this post from Scott:

https://www.camaro6.com/forums/showp...&postcount=315
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Old 09-27-2025, 11:49 AM   #3
2023_ZL1-AUTO

 
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Smokin19 I sent you a PM !
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2023 ZL1 A10-Stainless Works 2" Long Tubes & Legend NPP Axle Back•GESI UHO 4.5" CATs•RF BigGulp•Kong 103mm & X-Ported Blower•Griptech 2.30" Upper•ATI Super Damper w/9.45" Lower•THPSI Port Injection w/875cc Injectors•FI Interchillers Stage 2•Brisk RR14S Plugs•Granatelli Malevolent Coils•Katech Low Profile Billet Valve Covers•Katech Duel Fuel Pump•MM Wild 1000HP•DSX Flex Fuel Kit•DSX Billet Lid•DMS 2gal Fender Tank•BMR Cradle Lockout•Weld Solana 18x8 Fronts/17x10 Beadlocks MT ET ST R's•Unlocked TCM•E85=785rwhp/691rwtq +21psi | 1/4=10.5005 @134.21 60ft=1.6182, 1/8=6.8373 @106.11
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Old 09-27-2025, 08:13 PM   #4
SWFLZL1
 
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I’m curious as well. I have headers and hf cats, and was wondering how much louder it would be. Seems the legend series has what I believe is a nice, classic, exhaust sound.
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Old 09-28-2025, 12:21 AM   #5
beowulf556
 
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Hey here is a sound clip of the redline series: https://youtube.com/shorts/zpriAvT3D...ThM5r2UhCIZTWQ

I love the tone and loudness of this exhaust!
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Old 09-28-2025, 07:05 AM   #6
Smokin19

 
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Quote:
Originally Posted by beowulf556 View Post
Hey here is a sound clip of the redline series: https://youtube.com/shorts/zpriAvT3D...ThM5r2UhCIZTWQ

I love the tone and loudness of this exhaust!
Which one is louder the Legend or Redline? I had the AWE touring on and it was too loud with my build, went back to the oem but, miss hearing more of the chop.
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Old 09-28-2025, 09:31 AM   #7
2023_ZL1-AUTO

 
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https://drive.google.com/drive/folde...usp=drive_link

If think they sound similar. but I think the Legend is a bit deeper in tone?
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2023 ZL1 A10-Stainless Works 2" Long Tubes & Legend NPP Axle Back•GESI UHO 4.5" CATs•RF BigGulp•Kong 103mm & X-Ported Blower•Griptech 2.30" Upper•ATI Super Damper w/9.45" Lower•THPSI Port Injection w/875cc Injectors•FI Interchillers Stage 2•Brisk RR14S Plugs•Granatelli Malevolent Coils•Katech Low Profile Billet Valve Covers•Katech Duel Fuel Pump•MM Wild 1000HP•DSX Flex Fuel Kit•DSX Billet Lid•DMS 2gal Fender Tank•BMR Cradle Lockout•Weld Solana 18x8 Fronts/17x10 Beadlocks MT ET ST R's•Unlocked TCM•E85=785rwhp/691rwtq +21psi | 1/4=10.5005 @134.21 60ft=1.6182, 1/8=6.8373 @106.11
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Old 09-28-2025, 12:08 PM   #8
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Exhaust

Yes the legend does have a deeper tone, that is what I went with, if you go to Stainless works website they have a video of each in different configurations to listen to, or at least they did when I made my purchase
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Old 09-28-2025, 12:12 PM   #9
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Exhaust

https://youtube.com/shorts/RFIKNpDd2...QGYsziI7N23kFh

This is what mine sounds like
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Old 09-28-2025, 12:50 PM   #10
2023_ZL1-AUTO

 
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Quote:
Originally Posted by Justcruising View Post
YES! Sounds great !!!!
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2023 ZL1 A10-Stainless Works 2" Long Tubes & Legend NPP Axle Back•GESI UHO 4.5" CATs•RF BigGulp•Kong 103mm & X-Ported Blower•Griptech 2.30" Upper•ATI Super Damper w/9.45" Lower•THPSI Port Injection w/875cc Injectors•FI Interchillers Stage 2•Brisk RR14S Plugs•Granatelli Malevolent Coils•Katech Low Profile Billet Valve Covers•Katech Duel Fuel Pump•MM Wild 1000HP•DSX Flex Fuel Kit•DSX Billet Lid•DMS 2gal Fender Tank•BMR Cradle Lockout•Weld Solana 18x8 Fronts/17x10 Beadlocks MT ET ST R's•Unlocked TCM•E85=785rwhp/691rwtq +21psi | 1/4=10.5005 @134.21 60ft=1.6182, 1/8=6.8373 @106.11
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Old 09-28-2025, 01:10 PM   #11
beowulf556
 
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Yeah I believe the legend is deeper, but redline is louder. Redline is still pretty deep IMO compared to the stock NPP. I don't think you could go wrong either way TBH.
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Old 09-29-2025, 12:23 PM   #12
Ringmaster72
 
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https://youtu.be/zmlwvp8ObOE

I have the redline series axle back, Long tubes, no cats.
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Old 09-29-2025, 02:43 PM   #13
2023_ZL1-AUTO

 
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Quote:
Originally Posted by Ringmaster72 View Post
https://youtu.be/zmlwvp8ObOE

I have the redline series axle back, Long tubes, no cats.
Sounds Great !
I have High Flow CAT's, and secondary CATs are removed.
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2023 ZL1 A10-Stainless Works 2" Long Tubes & Legend NPP Axle Back•GESI UHO 4.5" CATs•RF BigGulp•Kong 103mm & X-Ported Blower•Griptech 2.30" Upper•ATI Super Damper w/9.45" Lower•THPSI Port Injection w/875cc Injectors•FI Interchillers Stage 2•Brisk RR14S Plugs•Granatelli Malevolent Coils•Katech Low Profile Billet Valve Covers•Katech Duel Fuel Pump•MM Wild 1000HP•DSX Flex Fuel Kit•DSX Billet Lid•DMS 2gal Fender Tank•BMR Cradle Lockout•Weld Solana 18x8 Fronts/17x10 Beadlocks MT ET ST R's•Unlocked TCM•E85=785rwhp/691rwtq +21psi | 1/4=10.5005 @134.21 60ft=1.6182, 1/8=6.8373 @106.11
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