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TheNuge
Thu Jul 17 2014, 07:20AM
Registered Member #945
Joined: Thu Jan 13 2011, 04:38PM

Posts: 37
hello everyone, I've got the pbm cobra-pipe installed on my s13 240sx, and I read, "Superior ground clearance without having to hammer factory metal (with manifolds that maintain OEM position). OEM heat shield must be removed. Down pipe runs paralell to the frame rail", but i have my heat shield installed no problems?

could i have installed incorrectly? I got my car dyno'd, and with a stock redtop at 10psi, made 222hp and 231lbs of tq.

also, my exhaust hangs a bit low where the test pipe is. i'll post a picture tomorrow to explain.
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TheNuge
Fri Jul 18 2014, 06:26PM
Registered Member #945
Joined: Thu Jan 13 2011, 04:38PM

Posts: 37
I could just be overly critical, but i dont think the exhaust is supposed to be that low? all my exhaust hangers have been replaced, and i'm even using the transission mount
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TheNuge
Fri Jul 18 2014, 06:27PM
Registered Member #945
Joined: Thu Jan 13 2011, 04:38PM

Posts: 37
lmao i dont know why the pictures are so squished, but you can clearly see the middle of my exhaust hanging low, where the test pipe is
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NismoPlsr
Sat Jul 26 2014, 02:41PM
Registered Member #988
Joined: Fri Feb 25 2011, 12:51PM

Posts: 16
It's hard to tell exactly but you might just need to loosen all the bolted connections slightly, put a jack under the exhaust and jack it up as high as it can go then re-tighten the bolts.
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Dan at MAX USA
Mon Jul 28 2014, 07:00PM

Registered Member #2
Joined: Sun Jan 21 2007, 08:28PM

Posts: 2866
sounds like you have a KA with an incompatible combination of parts. Theres a recommended setup by a KA guy in a similar thread here
http://www.partsshopmax.com/e107_plugins/forum/forum_viewtopic.php?2130.40#post_10418

"installed this pipe today on my KA24DE with :

ISIS T2 Bottom mount Mani
ISIS RS3871 Turbo
JGS Rubber motor mounts
Xcessive KA lowering mount brackets

With those components the fitment is very good....i absolutely love it "
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Dan at MAX USA
Mon Jul 28 2014, 07:08PM

Registered Member #2
Joined: Sun Jan 21 2007, 08:28PM

Posts: 2866
The classic problem with the majority of mounts and manifolds on the KA is that they have a different turbo position than most SR's its about 2 inches above the OEM SR position, and this downpipe depends on that OEM SR position. So if the pipe is mounted in front 2 inches above where it wants to be, then it will hit the bottom forward corner of the firewall and that would cause the back side of the pipe to tilt down as shown in the photo above.
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TheNuge
Thu Aug 14 2014, 12:19AM
Registered Member #945
Joined: Thu Jan 13 2011, 04:38PM

Posts: 37


[ Edited Thu Aug 14 2014, 12:23AM ]
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TheNuge
Thu Aug 14 2014, 12:25AM
Registered Member #945
Joined: Thu Jan 13 2011, 04:38PM

Posts: 37
I've got an sr, and i tried getting better pictures to illustrate my issue. I'm considering just going to an exhaust shop and see what they have to say.
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TheNuge
Fri Sep 26 2014, 06:56AM
Registered Member #945
Joined: Thu Jan 13 2011, 04:38PM

Posts: 37
hey yall, i didnt use the lowest setting on the pbm downpipe. I got my car on a lift and effectively raised my exhaust so I dont scrape any longer! also no more test pipe rasp.
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