Nismo Exhaust cracks... yet again!
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Nismo Exhaust cracks... yet again!
Well most of you might remember me as the guy who posted up not too long ago regarding the cracked test pipes, but in reality it was the y-pipe on my nismo exhaust that had cracked on the welds... the test pipe had cracked as well ... lol
Well after getting it re-welded and driving fine for about 4 days, the damn exhaust starting rattling like crazy. At first I thought it was the exhaust just shaking and hitting the frame of the car, I thought the guy had maybe forgot to put the hanger on correctly. So today I went to inspect what was finally going on... only to find yet another huge crack on the welds, this time just after my Y-Pipe. wtf im pissed off. Never knew the test pipes would cause this much vibration to the point where im gonna have to reweld every 5,000 miles. wow...
Heres a pic where it cracked this time around.
Well after getting it re-welded and driving fine for about 4 days, the damn exhaust starting rattling like crazy. At first I thought it was the exhaust just shaking and hitting the frame of the car, I thought the guy had maybe forgot to put the hanger on correctly. So today I went to inspect what was finally going on... only to find yet another huge crack on the welds, this time just after my Y-Pipe. wtf im pissed off. Never knew the test pipes would cause this much vibration to the point where im gonna have to reweld every 5,000 miles. wow...
Heres a pic where it cracked this time around.
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Originally Posted by AdriaN-
Well most of you might remember me as the guy who posted up not too long ago regarding the cracked test pipes, but in reality it was the y-pipe on my nismo exhaust that had cracked on the welds... the test pipe had cracked as well ... lol
Well after getting it re-welded and driving fine for about 4 days, the damn exhaust starting rattling like crazy. At first I thought it was the exhaust just shaking and hitting the frame of the car, I thought the guy had maybe forgot to put the hanger on correctly. So today I went to inspect what was finally going on... only to find yet another huge crack on the welds, this time just after my Y-Pipe. wtf im pissed off. Never knew the test pipes would cause this much vibration to the point where im gonna have to reweld every 5,000 miles. wow...
[/IMG]
Well after getting it re-welded and driving fine for about 4 days, the damn exhaust starting rattling like crazy. At first I thought it was the exhaust just shaking and hitting the frame of the car, I thought the guy had maybe forgot to put the hanger on correctly. So today I went to inspect what was finally going on... only to find yet another huge crack on the welds, this time just after my Y-Pipe. wtf im pissed off. Never knew the test pipes would cause this much vibration to the point where im gonna have to reweld every 5,000 miles. wow...
[/IMG]
#6
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I ran an exhaust w/o any flex points for several months. Never cracked. Face it, one of the components of your exhaust isnt made to spec. Ive heard of nismo exhausts cracking test pipes more than once. Just because it's nismo doesn't mean its got perfect fit/finish. Time for a new exhaust.
#7
Originally Posted by SOLO-350Z
Do the test pipes have the flex joint? If not then that is the reason why the exhaust is cracking. Too much stress when the engine rotates.
The issue is the bind on the system. Whether it's the testpipes or the catback, is the question and answer.
When we developed the Fast Intentions system, and tested many others out there - we discovered how far off the others were from the original angles of the original CATS and exhaust.
I'm not at all trying to sell you on a Fast Intentions system - BUT, there are some parts out there not quite built to an almost perfect OEM spec.
If the testpipes are perfect - then likely the the catback is tweaked causing the bind.
Now - some testpipes have brackets on them, as the original CATS do. This is REALLY not at all needed. Testpipes weight less than 1/2 of the CATS - and the CATS are really heavy - which is why they have an additional bracket to hold them stiff. Most aftermarket testpipes and HFC's that have brackets will almost always result in broken brackets as well.
Rick
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#8
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Originally Posted by SOLO-350Z
Do the test pipes have the flex joint? If not then that is the reason why the exhaust is cracking. Too much stress when the engine rotates.
what brand of tp has a flex joint? Stock doesnt, only the y pipe.
The nismo exhaust is known to not work with crawford hfc. Maybe since you welded your test pipes, the tp are no longer the weak link and the mid pipe is so it cracked. You migh thave bigger issues.
#9
Originally Posted by CUxtopher
crawford hfc
I've known the Crawford's and others to break on stock systems, let alone aftermarket catbacks.
Rick
#10
Originally Posted by CUxtopher
what brand of tp has a flex joint? Stock doesnt, only the y pipe.
The nismo exhaust is known to not work with crawford hfc. Maybe since you welded your test pipes, the tp are no longer the weak link and the mid pipe is so it cracked. You migh thave bigger issues.
The nismo exhaust is known to not work with crawford hfc. Maybe since you welded your test pipes, the tp are no longer the weak link and the mid pipe is so it cracked. You migh thave bigger issues.
Rick
#13
Originally Posted by SOLO-350Z
I just remember back in the day on the Maximas. When they made ypipes without flexjoints. The pipes were breaking.
You do get what you pay for. Granted - there's not much to a testpipe - other than workmanship ;-)
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Originally Posted by ISMSOLUTIONS
Which testpipes do you have?
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Hmmm this sucks. I've been thinking about getting another exhaust but I dont see myself wasting $1200 or so on another system. Besides that, im trying to go FI soon so i dont think i should touch anything until then.
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