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Custom 3" exhaust completed

Old 10-10-2018, 04:15 AM
  #1  
dopefedz
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Default Custom 3" exhaust completed

Here are a few pictures that were sent to me by the owner/fabricator doing the exhaust work on my FRC. I had found a Kooks full 3" x pipe but it didnt have the flanges installed on it to bolt onto my headers for some reason. Instead of cutting it apart to install the flanges or pulling my headers off to v band both we decided to just use my existing kooks x pipe and cut the 2.5" section off and start the new exhaust from there.

I also had purchased a lg big 3" axleback but just didnt like the design/layout and the way it made the u bends like the stock exhaust. So I took my grinder and cut out the trunk tub and made a plate out of aluminum to cover it up and give me all the room I needed.

I chose the Borla xr1 mufflers because I have one on my fbody and liked the sound of it. The new piping is all 3" stainless with v band connections and the tips were something my friend had sitting on the shelf at his muffler shop.









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Old 10-10-2018, 04:20 AM
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Here is a quick sound clip that was sent to me. Ill get some more when I pick the car up this evening.

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Old 10-10-2018, 10:14 AM
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Looks and sounds great. Welds look very good too! What supercharger kit are you running?

Last edited by Georgies; 10-10-2018 at 10:17 AM.
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Old 10-10-2018, 12:33 PM
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Interesting. I'm wondering if you could run a C6 exhaust after modifying the floor.

I'm not a fan of the snake routing on the C5's under the trunk. I have the idea to come over the axle then 45* to a muffler then a turndown hidden exiting on the corners of the rear bumper. Simplify the routing but not sure if I'll like not having tips in the center.
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Old 10-10-2018, 05:14 PM
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dopefedz
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Originally Posted by Georgies View Post
Looks and sounds great. Welds look very good too! What supercharger kit are you running?
A&A bracket and secondary driving running a Procharger F1A head unit.
Originally Posted by smitty2919 View Post
Interesting. I'm wondering if you could run a C6 exhaust after modifying the floor.

I'm not a fan of the snake routing on the C5's under the trunk. I have the idea to come over the axle then 45* to a muffler then a turndown hidden exiting on the corners of the rear bumper. Simplify the routing but not sure if I'll like not having tips in the center.
Ive seen someone else run a C6 exhaust after they cut the tub out also.
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Old 10-11-2018, 11:44 AM
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MRc5z
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Looks like top notch fab and tig skills! Sounds and looks great, enjoy it
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Old 10-11-2018, 04:17 PM
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Nicely executed. Have you driven it yet? Is there any drone or interior resonance?
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Old 10-12-2018, 01:20 AM
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neutron82
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that looks real nice!... how much did that run you?... I wouldn't mind having mine done like that and get my corsa xtremes converted to 3" over axles if it didn't cost an arm and a leg
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Old 10-12-2018, 10:01 AM
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FourG63 97GST
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Really nice work ,sounds good.
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Old 10-12-2018, 12:24 PM
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smitty2919
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I'm surprised I have not found many pictures of people making custom setups for C5's. I guess most like to just bolt something on LOL.

There is a chance I'll try LT's with pressure wave termination box and a custom stealth axle back with turndowns. Any car I drive has to some something custom in terms of exhaust LOL
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Old 10-13-2018, 08:30 AM
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LPDesRoche
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Man that looks nice! And yet another vote for me to cut that useless tub out of the rear of mine.
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Old 10-13-2018, 12:59 PM
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Nice job and sounds good. Great fab work.
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Old 10-13-2018, 04:40 PM
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dopefedz
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Another idle clip.


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Old 10-13-2018, 08:07 PM
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robert miller
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^^^^ Sounds great man exhaust looks great also.. Robert
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Old Yesterday, 11:33 AM
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jimbos'ss
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That looks and sounds great!
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Old Yesterday, 11:45 AM
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RockyMtC5
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That sounds AWESOME. Wish I had fab skills like that!
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Old Yesterday, 12:36 PM
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bluewire
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Sounds great, you need to do an in car video.
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Old Yesterday, 01:20 PM
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Georgies
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These mufflers do not fit the other way? I dont like the idea of cutting up the car...
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Old Yesterday, 04:27 PM
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4.6gt-2-ls1ta
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Looks and sounds great, what part of Houston? I would love to check out the removal of the trunk tub.
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Old Yesterday, 07:49 PM
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I'll try and get a driving video sometime this week.
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