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Old 06-30-2017, 05:15 PM   #1
SSDanny
 
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Best material for Exhaust?

I'm planning on going with a straight pipe exhaust since my Kooks headers that I ordered are catless anyways. I was planning on buy the MBRP race series catback, but a local exhaust shop can make me a straight pipe exhaust with a custom H-pipe installed for cheaper. I'm not sure what kind of metal they'd be using, I forgot to ask, but does the kind of metal change exhaust note by any chance? Also, would a steel vs aluminum exhaust be a lot of weight difference for a catback?
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Old 06-30-2017, 05:55 PM   #2
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Typically aluminum wouldn't be an option. It has a lower melting point than steel nor is it as flexible and easy to work with. You can get away with using aluminum as you get further from the engine, such as the muffler/tail-pipes. Otherwise for weight savings you'd be looking at titanium instead.
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Old 06-30-2017, 06:09 PM   #3
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Stainless
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Old 06-30-2017, 06:52 PM   #4
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Aluminum? Your either trolling or really really dumb. I'm going to go with really really dumb in which case please sell you car and get a camry.
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Old 06-30-2017, 07:41 PM   #5
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Originally Posted by Whitemaro6 View Post
Aluminum? Your either trolling or really really dumb. I'm going to go with really really dumb in which case please sell you car and get a camry.
lol, you're fun at parties I bet. I know from mufflers and back they can be made from aluminum since it's lighter and those components don't get hot at all. Obv the x/h-pipes need to withstand heat better, so not aluminum from that part. My bad on not explaining myself better, but you can take your insults somewhere else

Last edited by SSDanny; 06-30-2017 at 07:52 PM.
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Old 06-30-2017, 08:03 PM   #6
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Amazon has a few vendors that sell 304 stainless straight pipe available. I bought some to have a custom H-Pipe made as well.
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Old 06-30-2017, 08:45 PM   #7
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Don't be cheap "stainless"
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Old 06-30-2017, 09:51 PM   #8
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How about them aluminum parts of the engine? Lol.
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Old 06-30-2017, 10:05 PM   #9
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lol, you're fun at parties I bet.
I dont think he gets invited to any by the way he talks lol

Best thing i can say is dont cheap out. Aluminized steel is shit in the long run, just get some good 304s either in a kit ( *cough cough Borla FTW cough cough* ) or any other. Unless you want to be back at the muffler ahop after a few short years because your exhaust is rusting apart.
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Old 06-30-2017, 10:14 PM   #10
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Originally Posted by Techn9cian805 View Post
I dont think he gets invited to any by the way he talks lol

Best thing i can say is dont cheap out. Aluminized steel is shit in the long run, just get some good 304s either in a kit ( *cough cough Borla FTW cough cough* ) or any other. Unless you want to be back at the muffler ahop after a few short years because your exhaust is rusting apart.
I really like the sounds the Borla Atak makes, so I'll def consider it more since I guess many people aren't in favor of aluminized steel!
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Old 07-01-2017, 10:17 AM   #11
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6061 aluminum is quite doable beyond the collector and would save some weight. Fabbing Al takes some skills and experience above and beyond normal welding and forming. I would guess that material costs would be greater for the right Al also.

But honestly, 304 SS is the optimal material. Easy to weld and forms up well. The "Best" material, Chrome Moly.
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Old 07-01-2017, 11:00 AM   #12
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Originally Posted by SSDanny View Post
lol, you're fun at parties I bet. I know from mufflers and back they can be made from aluminum since it's lighter and those components don't get hot at all. Obv the x/h-pipes need to withstand heat better, so not aluminum from that part. My bad on not explaining myself better, but you can take your insults somewhere else
My friend who's shin hit the tail pipe of my 5th gen camaro would disagree
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Old 07-01-2017, 12:08 PM   #13
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HOT for humans is a little bit different then Hot for material deterioration. Aluminum can withstand a lot of heat.
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Old 07-01-2017, 02:21 PM   #14
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My friend who's shin hit the tail pipe of my 5th gen camaro would disagree
He should look into aluminum shins
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