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full exhaust 2002 WS-6

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Old Dec 5, 2025 | 10:25 PM
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Default full exhaust 2002 WS-6

I figure this has been beat to death, but I cant find any recent threads on the topic. Looking to do catless headers and aftermarket exhaust. Anyone have a combo they would recommend? Im looking for sporty but not obnoxious sound.

Thanks
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Old Dec 10, 2025 | 09:32 AM
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I went back and forth between exhaust setups after I installed ARH long tubes. GMMG, Magnaflow, SE Duals, Corsa and back to Magnaflow. The Magnaflow just does a fantastic job of taming a cat-less LS1 without having to add a bunch of extra crap to the exhaust like resonators or anything like that. Yet still gets rowdy when you lay into it. The rasp of a Y pipe LS1 is what gets obnoxious to me and GMMG was the worst without cats. The Corsa was on my car for about 30 minutes and I literally took it all back off the same night. Idle presence was awesome but, inside the car was ridiculous! Duals ground clearance sucked on a lowered car and I got sick of it. I have amazing clearance with my car now lowered 1.25" and I'm not changing it any more. Its perfect for me!
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Old Dec 10, 2025 | 10:26 AM
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Just curious how you have less ground clearance with duals vs the y pipe?
The crossover for the Y pipe is by far the lowest part of my exhaust now and parking lots with speed bumps are impassable.

it appears if I notch the floor brace i can gain about 1" of room to move the exhaust up a little.
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Old Dec 10, 2025 | 03:27 PM
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Originally Posted by Ls7colorado
Just curious how you have less ground clearance with duals vs the y pipe?
The crossover for the Y pipe is by far the lowest part of my exhaust now and parking lots with speed bumps are impassable.

it appears if I notch the floor brace i can gain about 1" of room to move the exhaust up a little.
Everything about the duals just didn't fit well. May have been my car, I don't know. I got sick of always messing with it and tweaking and welding and still scraping on everything. My ARH LT's and Y setup just has way better ground clearance than my duals ever did.
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Old Dec 10, 2025 | 11:03 PM
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do you have resonators in your system? I was considering a cheap Speed Enginnering kit and just welding in resonators. Im just brain storming here. If its a dumb idea feel free to tell me.
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Old Dec 11, 2025 | 07:39 AM
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Originally Posted by BRose70
do you have resonators in your system? I was considering a cheap Speed Enginnering kit and just welding in resonators. Im just brain storming here. If its a dumb idea feel free to tell me.
No sir. No cats, no resonators in my current setup.
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Old Dec 11, 2025 | 01:23 PM
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I have Kooks headers....a quad tip magna flow ...sounds perfect....not to loud....not to quiet....had a borla before.....HATED IT
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Old Dec 11, 2025 | 02:44 PM
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High flow cats make headers totally livable.
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Seeing that I didn't know what direction I wanted to go with my car, I went a budget friendly route. I did the Speed Engineering long tubes and ORY. I also purchased an OBX brand stainless steel catback exhaust off of Ebay. It has quad tips making it look similar to the Corsa kit and has a mellow tone similar to that of an old Magnaflow system I used to have. I think there are better sounding setups out there by the bigger name brands, but I ultimately got a full stainless exhaust front to back for well under a grand.
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Old Dec 14, 2025 | 05:39 PM
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I did speed engineering on my 4th gen 17/8 with their true dual sounded damn good at full throttle completely different than y pipe, wish i had gone with 13/4 headers as i noticed a power loss during normal driving, crazy how that was the first thing i noticed when driving to the spot i could go WOT.
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Old Dec 14, 2025 | 09:48 PM
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Originally Posted by hot98z28
I did speed engineering on my 4th gen 17/8 with their true dual sounded damn good at full throttle completely different than y pipe, wish i had gone with 13/4 headers as i noticed a power loss during normal driving, crazy how that was the first thing i noticed when driving to the spot i could go WOT.
This is the real world difference between part throttle driving and full throttle on a dyno sheet. Dyno sheets show a gain for the larger headers almost everywhere.
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