Ordered new downpipes for $920 shipped

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Old Jul 5, 2022 | 06:09 PM
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Ordered new downpipes for $920 shipped

Pulled triggered. crazy good 4th sale. Wanted the Kooks and found them for 1880 but they are 2-3 months out. For half the price I just hope they can take track abuse.

UltimatePD Exotic Metal. Forum Vendor

i’m not 100% which ones. they list two on website. one for $1795 and another for $1495. Said it does not have the heat wrap.

These are 304 low carbon Stainless steel. 16 gauge. Tig welded.

i not sure if i’ll cut factory ones or remove properly. can the stock ones be welded back up ?

Ill update thread when they arrive and after install.







Last edited by dllhg; Jul 15, 2022 at 07:33 PM.
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Old Jul 7, 2022 | 07:45 AM
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Hi,

Looks like you made a good choice. With the array of vendors out there, even here on the forum, you have to be picky. Kooks are high quality products, too bad on the lead. I like them and have used them on other car builds.

Are they 304, or 304L? All 304 is low carbon (.08%), but 304L is .03%...still more a distinction than a difference in this application.

304 is a good choice. 316 is a little better in marine environments, but all miniscule even if you live at the ocean in N CA.

Looking forward to hearing about the rest of your build.

How are you going to use the car, once the mods are all in?

Best,

Acta
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Old Jul 8, 2022 | 01:49 AM
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Originally Posted by Acta_Non_Verba
Hi,

Looks like you made a good choice. With the array of vendors out there, even here on the forum, you have to be picky. Kooks are high quality products, too bad on the lead. I like them and have used them on other car builds.

Are they 304, or 304L? All 304 is low carbon (.08%), but 304L is .03%...still more a distinction than a difference in this application.

304 is a good choice. 316 is a little better in marine environments, but all miniscule even if you live at the ocean in N CA.

Looking forward to hearing about the rest of your build.

How are you going to use the car, once the mods are all in?

Best,

Acta
Thanks. Well my CLS AMG hasn’t been driven since i picked this car up a few weeks ago. 😎. Tracked it at Laguna Seca within 3 days of picking up. going again on july 25th. again first week of august. 👍

Has Tikt ducts , roll bar and AP brakes. New Recaros waiting to go in. ordering full Tikt front and rear aero as well.
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Old Jul 8, 2022 | 07:20 PM
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Off topic - the C6 sold? Or you still have it?

One of my first bigger builds was a C6. Went with an A&A centrifugal SC. Did the entire build and tune myself. I was just around 650hp (started with 430hp N/A) and was about ready to start spraying, heading for the 700s when I got bored and sold. It was a "drive" to say the least....

All the best on the track.


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Old Jul 8, 2022 | 09:21 PM
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Originally Posted by Acta_Non_Verba
Off topic - the C6 sold? Or you still have it?

One of my first bigger builds was a C6. Went with an A&A centrifugal SC. Did the entire build and tune myself. I was just around 650hp (started with 430hp N/A) and was about ready to start spraying, heading for the 700s when I got bored and sold. It was a "drive" to say the least....

All the best on the track.


oh yeah. Sold that coupe years ago and got a C7Z. huge improvement all around. Very capable track car. within about 7 months of driving it on track in was cracking high 1:36s stock with tires and cooling mods only. overheating issues even after spending a lot on cooling mods. ultimately it caught fire and burned to the ground on its 20th track day and 11 months. Not made for serious track use. Even the ZR1 isn’t.
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Old Jul 8, 2022 | 09:52 PM
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Originally Posted by dllhg
oh yeah. Sold that coupe years ago and got a C7Z. huge improvement all around. Very capable track car. within about 7 months of driving it on track in was cracking high 1:36s stock with tires and cooling mods only. overheating issues even after spending a lot on cooling mods. ultimately it caught fire and burned to the ground on its 20th track day and 11 months. Not made for serious track use. Even the ZR1 isn’t.
Yeah, I agree about tracking Corvettes, especially when you start building them. They're much better for short bursts in a straight line. You are in the serious crowd now. Bet you'll have a ball with this car!
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Old Jul 8, 2022 | 10:17 PM
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Originally Posted by Acta_Non_Verba
Yeah, I agree about tracking Corvettes, especially when you start building them. They're much better for short bursts in a straight line. You are in the serious crowd now. Bet you'll have a ball with this car!
Very frustrating since it was a very capable track car. Jeff cook ran a 1:32 at laguna in my car. just can’t take the abuse. thought about a ZR1 bit was told it would have similar issues. Ughh. Looks like the C8s have addressed these shortcomings atleast.
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Old Jul 15, 2022 | 07:32 PM
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Just arrived. they look really nice. 👍





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Old Jul 15, 2022 | 07:50 PM
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They look good - good choice!

Best,
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Old Jul 18, 2022 | 08:11 AM
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Look up if project gamma makes downpipes for your model

i bought my downpipes for the GTR for $1299
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