All aluminum exhaust finished!! 23lbs!

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I’ve been looking for ways to shave weight and the exhaust is a pretty good chunk. I’ve ran dumps at the track, but the sound and vibrations are absolutely horrendous. I looked at titanium and prices are ridiculous, so I reached out to Herfurth Aluminum Racing Mufflers, for a set of their mufflers and the material to build a full length aluminum exhaust.

I welded stainless steel vband flanges on my Texas speed headers, then started with aluminum vband flanges and worked my way back. I’m not a welder, I’m more of a hobby enthusiast, but I’ve been lucky enough to purchase some tools of the trade over the years.

All welding was done with a Miller Multimatic 220 with a CK torch and 3/32 4041 filler. From the headers to the xpipe is 11 gauge 3” 6061, X-pipe and the rest is 16 gauge. The tips were made by cutting two 3.5” 180 bends down.

Overall it came out great, shaved a bunch of weight and the less dense aluminum took away some of the annoying sharpness of the coyote and gave it a little bit deeper, although weird tone. I’m super happy with it and glad I made the change.

materials total from Herfurth ram me about $1000 with two of his 9” mufflers.

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Sound videos below

 

[WildHorse]

You had a goal, and you achieved it. more people need to be like you. Congrats !

 

[CORNYOTE]

You had a goal, and you achieved it. more people need to be like you. Congrats !

Appreciate that! Thanks!

 

[VictorH]

Wow that is impressive but I have to imagine that it’s loud as stink.
Is it super loud? I just don’t see that being a quiet cruiser exhaust.

 

[CORNYOTE]

Wow that is impressive but I have to imagine that it’s loud as stink.
Is it super loud? I just don’t see that being a quiet cruiser exhaust.

The aluminum being thicker and less dense actually absorbs a lot of the sound. Definitely not going to call it quiet, but this car isn’t really a cruiser but more of a street bruiser

 

[DougS550]

You had a goal, and you achieved it. more people need to be like you. Congrats !

Yep, Your an innovator not a imitator. Get someone to produce, that would save some serious weight. What was the weight of OEM exhaust and the weight of your aluminum?
Thanks

 

[CORNYOTE]

Yep, Your an innovator not a imitator. Get someone to produce, that would save some serious weight. What was the weight of OEM exhaust and the weight of your aluminum?
Thanks

This replaced a Texas speed xpipe, mid pipes and factory active exhaust. That setup was 71.6lbs. The entire aluminum setup is 23lbs.

 

[ksampler]

This replaced a Texas speed xpipe, mid pipes and factory active exhaust. That setup was 71.6lbs. The entire aluminum setup is 23lbs.

I was thinking of doing the same, I'm actually going to Oklahoma for work, depending on where you are, would it be possible to see and hear it in person?

I know it's kinda a weird request

 

[CORNYOTE]

I was thinking of doing the same, I'm actually going to Oklahoma for work, depending on where you are, would it be possible to see and hear it in person?

I know it's kinda a weird request

Would just depend on my schedule etc. I’m up north by Ponca City.

 

[DougS550]

This replaced a Texas speed xpipe, mid pipes and factory active exhaust. That setup was 71.6lbs. The entire aluminum setup is 23lbs.

Wow, the weight savers will be fighting to have these made for their cars. I love it and I really don't care about weight. Aluminum is my preference. Great Job

 

[Firsttexan]

Nice work!

 

[WildHorse]

Appreciate that! Thanks!

Well deserved buddy.. gives me motivation to get up off of my dumb arse and start doing things my way !

 

[rxryanm]

Dude, this is rad. If I could request one more pic, let's see another of that dog.

 

[CORNYOTE]

Dude, this is rad. If I could request one more pic, let's see another of that dog.

I have two. Kevin and Sami. Sami was up there, here’s Kevin. They’re always in the way

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