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Exhaust clamps, regular or guillotine? #5281688 12/01/19 07:23 AM
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atikovi Offline OP
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I'm replacing an exhaust system using stock parts. They specify these regular style clamps.

[Linked Image from static.summitracing.com]

Wouldn't these guillotine style clamps seal better?

[Linked Image from gautoparts.com]

Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281700 12/01/19 07:49 AM
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FT92 Offline
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I've always used the first type pictured, never a problem

Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281703 12/01/19 07:51 AM
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eljefino Offline
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I've gotten leaky "wrinkles" out the sides where the pipes squish using the first style. A little muffler cement on the joint is a good backup.

Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281711 12/01/19 07:56 AM
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atikovi Offline OP
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From what I read, the second one provides a 360 degree seal but isn't widely available.

Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281725 12/01/19 08:27 AM
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benjy Offline
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it matters NOT because typical materials + even cheap widely use 400 grade stainless will rust + or corrode quickly making removal a cutting operation. when using lifetime 300 series stainless band clamps of 300 series stainless are best allowing removal anytime. depending on where you live + vehicles life costly 300 stainless if available is best as it outlasts the vehicle no matter where you live!

Last edited by benjy; 12/01/19 08:28 AM.
Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281736 12/01/19 08:38 AM
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Trav Offline
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For me both of those fall in the same category are worm drive hose clamps. I use these..

[Linked Image]

https://www.verociousmotorsports.com/Shop-by-Brand/Torca/AccuSeal-Exhaust-Clamps


ASE L1, Master. Deutsch Meisterbrief.
Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281738 12/01/19 08:41 AM
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atikovi Offline OP
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I see these stainless steel band clamps for six times the price. Won't they leak at the bottom?

[Linked Image from i.ebayimg.com]

Re: Exhaust clamps, regular or guillotine? [Re: Trav] #5281740 12/01/19 08:44 AM
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atikovi Offline OP
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Originally Posted by Trav
For me both of those fall in the same category are worm drive hose clamps. I use these..

[Linked Image]

https://www.verociousmotorsports.com/Shop-by-Brand/Torca/AccuSeal-Exhaust-Clamps



Those only work with pipes that have slots on the ends.

Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281747 12/01/19 08:50 AM
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Trav Offline
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Take a whiz wheel and put a couple of slots in the pipe end, no big deal.


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Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281763 12/01/19 09:06 AM
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Silverado12 Offline
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A guy at the muffler shop showed me a trick a long time ago. He used high temp silicone RTV on the joints and it lasts the life of the exhaust system for sealing minor leaks. Sometimes you slightly deform a joint when you take apart the system and this will prevent leaks.


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Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281765 12/01/19 09:07 AM
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mk378 Offline
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What car comes from the factory with clamps as part of the stock system?

Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281768 12/01/19 09:10 AM
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atikovi Offline OP
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The first style because it's the cheapest.

Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281772 12/01/19 09:19 AM
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mk378 Offline
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If you use the u-bolt style ones, as suggested put sealant in the joint before starting. Tighten up the clamp then loosen it and rotate about 90 degrees around the pipe and tighten again.

Re: Exhaust clamps, regular or guillotine? [Re: atikovi] #5281776 12/01/19 09:21 AM
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Driz Offline
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Originally Posted by atikovi
The first style because it's the cheapest.



Me too but I’m always willing to look towards something better if it’s not too $$$$$. I like the way those worm type don’t tend to lock pipes together by making that crush ring in both of them.

Re: Exhaust clamps, regular or guillotine? [Re: mk378] #5281784 12/01/19 09:26 AM
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Silverado12 Offline
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Originally Posted by mk378
What car comes from the factory with clamps as part of the stock system?

Sometimes you'll have a bolted together flange that won't seal perfectly because it's slightly deformed so the silicone trick works for that. Yeah, you're right all I have seen are welded or have a flange.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
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