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Dual Exhaust Done On Stock Route! Pics Please!

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Old Jan 21, 2010 | 08:19 PM
  #1  
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Car: 2002 GS300 Sport Design
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Dual Exhaust Done On Stock Route! Pics Please!

Hey Everyone,

I finally decide to go with a dual exhaust but all the way back down the stock route. I played around with having side exhaust but friend's told me theres no room for a good clearence even though I go with a ovalized pipeing.

So I thought about on how to install the exhaust but how do people run too 2 1/2 inch pipeiping side by side I went to a muffler shop today and he told me its really going to be a tight fit. He said a 2 inch pipe would be perfect for a 305 exhaust so.

He asked me to gather all the photos I could come across on so I could show him how people do this and what I need to do to achieve this. Like taking stuff off or cutting.

If you have a set up like this please post all your pics that you can please.

Thanks. Tony.
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Old Jan 21, 2010 | 08:34 PM
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From: Ventura County, California
Car: 2002 GS300 Sport Design
Engine: 3.0L 2JZGE
Transmission: 5-Speed Shiftable Automatic
Re: Dual Exhaust Done On Stock Route! Pics Please!

PS. I did look at the picture collection under dual exhaust and as well I used the search feature.
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Old Jan 22, 2010 | 02:07 AM
  #3  
$750 L98's Avatar
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From: Round Rock
Car: 1989 Formula 350 LSX
Engine: 5.3, 234/228 cam
Transmission: Stage II 4L60e, Vigilante 3200
Axle/Gears: 3.42
Re: Dual Exhaust Done On Stock Route! Pics Please!

Link to said setup, with pics, video and sound as well as part numbers for a pre-manufactured kit:
https://www.thirdgen.org/forums/afte...-kit-jegs.html
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Old Jan 22, 2010 | 07:30 AM
  #4  
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From: Ventura County, California
Car: 2002 GS300 Sport Design
Engine: 3.0L 2JZGE
Transmission: 5-Speed Shiftable Automatic
Re: Dual Exhaust Done On Stock Route! Pics Please!

Originally Posted by $750 L98
Link to said setup, with pics, video and sound as well as part numbers for a pre-manufactured kit:
https://www.thirdgen.org/forums/afte...-kit-jegs.html
Thanks. I'll be doing a set up like yours and I'll be using the dynomax bullet mufflers let me know when you get some sound clips.

Thanks. Tony.
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Old Jan 22, 2010 | 09:36 AM
  #5  
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From: Round Rock
Car: 1989 Formula 350 LSX
Engine: 5.3, 234/228 cam
Transmission: Stage II 4L60e, Vigilante 3200
Axle/Gears: 3.42
Re: Dual Exhaust Done On Stock Route! Pics Please!

http://www.youtube.com/user/elementa.../1/hyRWfFqCQaE
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Old Jan 28, 2010 | 06:56 AM
  #6  
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From: Texas
Car: 1987 Camaro
Engine: 5.7
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Re: Dual Exhaust Done On Stock Route! Pics Please!

Originally Posted by DeathMetalTony
Hey Everyone,

I finally decide to go with a dual exhaust but all the way back down the stock route. I played around with having side exhaust but friend's told me theres no room for a good clearence even though I go with a ovalized pipeing.

So I thought about on how to install the exhaust but how do people run too 2 1/2 inch pipeiping side by side I went to a muffler shop today and he told me its really going to be a tight fit. He said a 2 inch pipe would be perfect for a 305 exhaust so.

He asked me to gather all the photos I could come across on so I could show him how people do this and what I need to do to achieve this. Like taking stuff off or cutting.

If you have a set up like this please post all your pics that you can please.

Thanks. Tony.
2 inch duals? that wouldnt even be worth it in my opinion. If your gonna go through the trouble to have duals done atleast get 2 1/4.
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Old Jan 28, 2010 | 07:19 AM
  #7  
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From: Ventura County, California
Car: 2002 GS300 Sport Design
Engine: 3.0L 2JZGE
Transmission: 5-Speed Shiftable Automatic
Re: Dual Exhaust Done On Stock Route! Pics Please!

Even for a 305 with mild mod's? I mean I'll look into it though.

Tony.
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Old Jan 29, 2010 | 05:57 PM
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Re: Dual Exhaust Done On Stock Route! Pics Please!

N/A

Last edited by KYLE87; Jan 29, 2021 at 12:04 AM.
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Old Jan 29, 2010 | 06:59 PM
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Car: 1986 Camaro IROC-Z
Engine: 357 LTx
Transmission: T-56 6spd
Axle/Gears: GM 7.5 10 bolt with 4.10 richmonds
Re: Dual Exhaust Done On Stock Route! Pics Please!

I have 3" stainless true duals.... the only part we really had trouble routing was going under my spohn custom crossmember.. ughhh is it low to the ground there, probably like 3" off the ground but it's such a pain in the *** having to watch certain bumps in the road, NO speed bumps at all lol, and also the angle of certain driveways. In the rear it goes over my rear axle completely fine and looks awesome, sounds mean and loud as hell. I also had put in 2 sets of flanges for easy removal of my exhaust if needed. One set of flanges right after my hooker long tubes, then the second set right before the rear axle. This summer me and my fab guy were talking about possibly notching the frame a bit and tucking it up under a little better to get rid of that 3" of clearance i have. but basically like the guy before me said if your fabricater is good, and you guys have legit idea's it is completely possible.
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Old Jan 29, 2010 | 10:16 PM
  #10  
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From: Ventura County, California
Car: 2002 GS300 Sport Design
Engine: 3.0L 2JZGE
Transmission: 5-Speed Shiftable Automatic
Re: Dual Exhaust Done On Stock Route! Pics Please!

Originally Posted by KYLE87
I just picked mine up from the exhaust shop, I had 2.5 duals with duals cats and mufflers ran. 2.5 is going to be a tight fit, but it can be done. My car is lowered with sportlines and they where still able to get both the 2.5 pipes over the passenger side axle. If they say it cant be done they probally just arent skilled enough to get it done.
What I notice people take off the heat plate of the gas tank. I seen that by doing that it gives you more room to run a 2.5 and even a 3 inch dual pipe.

Tony.
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Old Mar 14, 2010 | 07:36 AM
  #11  
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Car: 1983 Pontiac Trans Am Daytona 500
Engine: Crossfire 305ci V8
Transmission: Jasper 700R4 4 speed Automatic
Axle/Gears: 3.23 limited slip/posi
Re: Dual Exhaust Done On Stock Route! Pics Please!

how well does this 2.5 exhaust set up work? does any one have any power gains or losses? how is the fitment so far?
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Old Mar 16, 2010 | 04:13 AM
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Re: Dual Exhaust Done On Stock Route! Pics Please!

N/A

Last edited by KYLE87; Jan 29, 2021 at 12:04 AM.
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Old Mar 16, 2010 | 07:28 AM
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Engine: Crossfire 305ci V8
Transmission: Jasper 700R4 4 speed Automatic
Axle/Gears: 3.23 limited slip/posi
Re: Dual Exhaust Done On Stock Route! Pics Please!

Originally Posted by KYLE87
So far so good. I like it much better than the previous single 2.5 pipe flowmaster setup. As far as power gains, from a stand still it feels a little bit more powerful, but I really notice it around 2500 RPMs, it has a lot more go to it. Fitment wise im still very happy with it and havent bottomed out yet. Knock on wood.
thanks think i will get it when my tax returns come in
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