ARH headers
Premium Supporting Vendor
Joined: Nov 2005
Posts: 1,779
Likes: 129
From: Amityville ny 631-608-1986
Send me an email and we will forward the instructions via email. nick@americanracingheaders.com Thanks.
Nick
Nick
Speedy
Joined: Mar 2007
Posts: 6,105
Likes: 928
From: Tn
2024 C8 of the Year Finalist - Modified
Racer
Joined: Feb 2020
Posts: 387
Likes: 577
From: Philly
Looks great !!! You don't really need to go over the brace on the passenger side, that line is vacuum and not fuel. Also I think the reflective heat shield faces in and not out but its preference more or less. ARH FTW !!!
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Burning Brakes
Joined: Aug 2019
Posts: 1,085
Likes: 582
I just put a set of high flow cats on my car. I had a cat delete before. (It’s not worth it).Not much more of a sound difference. And it smells horribly of hydrocarbons and carbon monoxide.
Sitting in a drive through with the roof off is terrible, the emissions smell will really bother you.
It’s amazing how much cats clean up the emissions.
Sitting in a drive through with the roof off is terrible, the emissions smell will really bother you.
It’s amazing how much cats clean up the emissions.
Le Mans Master
Joined: Sep 2004
Posts: 7,978
Likes: 1,845
From: North/Central NJ - a.k.a. Gotti in the CFNE section
St. Jude Donor '05
I just put a set of high flow cats on my car. I had a cat delete before. (It’s not worth it).Not much more of a sound difference. And it smells horribly of hydrocarbons and carbon monoxide.
Sitting in a drive through with the roof off is terrible, the emissions smell will really bother you.
It’s amazing how much cats clean up the emissions.
Sitting in a drive through with the roof off is terrible, the emissions smell will really bother you.
It’s amazing how much cats clean up the emissions.
@the lark What brand of each do you have. I am looking to add HFC and was debating test pipes or HFC.
Thank you!
Premium Supporting Vendor
Joined: Nov 2005
Posts: 1,779
Likes: 129
From: Amityville ny 631-608-1986
Snowblind 2.0 just lowered the C8 ET and MPH record with a 10.63 at 128mph using our long tube headers and newly released ARH catback THROUGH FACTORY CATS! They work folks. Until I see tuning and internal engine upgrades, the factory cats will serve you quite well.
Nick
Nick
Burning Brakes
Joined: Aug 2019
Posts: 1,085
Likes: 582
Interesting. The cat deletes were only a little louder?
@the lark What brand of each do you have. I am looking to add HFC and was debating test pipes or HFC.
Thank you!
@the lark What brand of each do you have. I am looking to add HFC and was debating test pipes or HFC.
Thank you!
Go to veracious Motorsports. They are in Delaware.
Burning Brakes
Joined: Aug 2019
Posts: 1,085
Likes: 582
I just took a couple of pics of my converters. I wanted to make the look as stock as possible. So I made brackets, and welded them to the converters. Then attached the stock shields to them.
If you look closely you can see the header wrap under the shields. Also the o2 sensors had to be relocated to the rear of the converters. So you can see the original o2 position in the center of the cat is empty.
Burning Brakes
Joined: Aug 2019
Posts: 1,085
Likes: 582
Thread Starter
Melting Slicks
Joined: Feb 2000
Posts: 3,420
Likes: 565
From: new orleans
I got them from RDP a vendor on here. Took about a month but coating was a option. And I’m glad I did it. The engine bay is cooler than with the stock manifolds during operation, and it cools down quicker.
Last edited by c5racr1; Nov 11, 2020 at 11:35 AM.
Thread Starter
Melting Slicks
Joined: Feb 2000
Posts: 3,420
Likes: 565
From: new orleans
Actually it’s a little louder inside the car, not as much as i expected, or wanted. On the outside it’s a louder on startup but driving it’s not much different. I kept the stock muffler and cats. My car is a z51 with option exhaust. No drone whatsoever.
Last edited by c5racr1; Nov 11, 2020 at 04:49 PM.