Is there a Bolt-On Off Road Y-Pipe available? (no cats) (1 Viewer)

Joined
Aug 10, 2004
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4,793
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Queens, NYC and sometimes Orlando, FL
Some years back, my OEM muffler rotted away and I replaced the entire system with a complete Bosal setup from the manifold back.....

https://forum.ih8mud.com/threads/so-im-in-need-of-a-muffler-what-are-my-options.475548/

A few weeks ago, I noticed the Y-Pipe seals were leaking, then one day she lost power temporarily on the highway.

Turns out the secondary cat melted, so I gutted it and re-installed everything with OEM seals

https://forum.ih8mud.com/threads/ha...-the-drive-home-temporary-overheating.813602/

Got a nice little boost in power, but about a week later, I noticed the Y-Pipe seals had started leaking again :oops:

Pulled it apart again and decided to gut the primary cat as well since it was a bit on the filthy side :meh:

https://forum.ih8mud.com/threads/anyone-else-running-just-one-cat.814733/


Put everything back together using new Bosal seals


Since then, she's been running with more power than ever and best of all, no MIL codes :smokin:


I figured the clogged up cats were the cause of the Y-Pipe seals blowing out, but late last night I noticed it started leaking again and it progressively got louder :bang:

Now I'm guessing it's just due to Bosal's misaligned mating surface :slap:

Anyhoo, my rig is registered in FL where there aren't any emissions, so I don't really need a cat, but I'd like to replace the Y-pipe with something that has a proper seal that won't start leaking after a couple of weeks :redface:

Does anyone make a Bolt-On Off Road Y-Pipe?
 

NLXTACY

Wits' End
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I know that you can get the Y-pipe OEM for about $350. AFAIC its not bolt on but rather weld on but I could be wrong.
 
Joined
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Messages
4,793
Location
Queens, NYC and sometimes Orlando, FL
I need sumthin that will bolt up to the secondary Bosal cat

 
Joined
Aug 10, 2004
Messages
4,793
Location
Queens, NYC and sometimes Orlando, FL
Why not have a straight pipe welded in since emissions aren't a concern?


Both cats are already gutted, so it's already free flowing

My only issue is that it's leaking at the flanges where it bolts up to the manifold

I wish they had stacked aluminum gaskets instead of the stupid donuts


I've used and re-used SAG for headers and they NEVER leak or blow out

 

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