Rv6 pcd and xlr8 v2 long jpipe installed(no pictures) - Honda Accord Forum : V6 Performance Accord Forums
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Old November 8th, 2016, 06:57 PM   #1
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Rv6 pcd and xlr8 v2 long jpipe installed(no pictures)

Took me 6-7 hours to install those two parts. I was lucky to have pb blaster and theres was barely no rust buildup consider it having 150000 miles. The rear pcd was a pain, until smog time again.

I have a slight problem withe the xlr8 jpipe. The front flange to to front pcd fits great and to the midpipe is perfect. My problem is on the flange from jpipe to the rear pcd. The flange was off. I could bolt in two out of three nuts/studs. I had to take the third stud out from the pcd because if only the flange on the xlr8 was turn several degrees clockwise, then the flange wouldve have matched up great buy however with this problem, i was able to tight two out of three nuts onto the pcd and the third hole on the flange only lined up with the hole on the pcd halfway only. So what i did was i was able to slip a small long enough 10mm bolt thru and nut on the bottom. But considered it being a small 10mm bolt i cant tight it enough to help compress the gasket otherwise itll strip. Any with the third hole hole align iff by half it seems the tubing on the jpipe is not sitting straight with the pcd but off by i say 1/8-1/4 of an inch.

I can hear the raspy noise but i dont know if its the flange leaking exhaust from that 10mm and flange being off.

When they say raspy as in at idle or when stepping on the throttle??? And raspy as in like an exhaust leak or as in like a rattling kind of noise like a snakes tail rattling???

But overall i could definitely feel the torque increase in the lower to upper mid range rpm. But redlining it powerwise still feels the same. I have read that it takes a while for the ecu to adjust say like 100 miles or so? And i just took batteryy off now to reset. So well see how it goes.
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Old November 8th, 2016, 06:59 PM   #2
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And one other thing that i didnt try was trying to align the stock jpipe if it would align with the pcd to see what the issue was. But i was a bit mad and unsastisfied of the flange part.but quality and wekds on both product are great.
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Old November 12th, 2016, 12:20 AM   #3
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Anyone??? Its not as good as it was stock. It doesnt pull hard. I have reset ecu and driven almost 100 miles now. I understand it takes time to learn. Ive driven nice and easy and hard redline it too.
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Old November 12th, 2016, 11:43 AM   #4
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Could it be a bent stud? Believe it or not that happens pretty frequently. From what I understand it will b raspy around 2k rpm depending on the rest of your exhaust setup. You can tell if you have a leak by feeling for exhaust leaking around the flange or using a 4 gas meter around the flange. If you have to take it apart get some spray on copper gasket material, high temp. Will ensure everything seals well
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Old November 13th, 2016, 02:13 PM   #5
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The studs are good. I have inspect upon installation.

I checked and its not leak. I found a thread that states its from the pcd and new jpipe to stock catback that thats how it sounds. Its like an exhaust leak on cold start up but goes away when its warmed up.

But my concern is powerwise uptop. It doesnt feel any better than when it was stock.
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Old November 14th, 2016, 06:45 AM   #6
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Butt dynos are not really reliable.
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Old November 14th, 2016, 08:32 AM   #7
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You can place a single high flow cat behind the jpipe to kill the rasp or a big ass resonator. As for the power feel it's hard to say, keep driving it it may adjust, the butt dyno is notoriously unreliable in both positive and negative fashion, you could have added power without "knowing" it. There's always the stock parts if you don't like the pcd, they will sell quick. Sorry I can't really help you, need a before/after dyno to know for sure. If there were no problems w the car before the exhaust components were swapped out I see no reason to believe there would be now.
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Old November 14th, 2016, 07:08 PM   #8
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Yes i understand a butt dyno is a no no lol. Im planning to put the stock jpioe back to see the difference in "BUTT DYNO" lol. But the raspy dont bother me much but im planning to get a tsudo catback next year.
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Old November 14th, 2016, 07:19 PM   #9
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Jpipe doesn't increase top end power too much, but it does increase the area under the curve.

nothing a 75 shot of nitrous can't fix
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Old November 15th, 2016, 07:12 PM   #10
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Since I wasn't going to dyno my car, I did some timing plus I have a place where I can roll on at 20 mph and stay on it until I come to a fixed sign. Speed picked up 3 mph after the J-pipe.
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