Which J-Pipe????
#1
Which J-Pipe????
Ok guys i am aware some of you here have the diffrent j pipe on your vehicles. My question is which one is best bang for the money. I have read where the atlp pretty much keeps power from low end til high and this is what i want .
Both pipes i have seen look well made. Atlp and ecxlr8. Just curious bout your input.....
Both pipes i have seen look well made. Atlp and ecxlr8. Just curious bout your input.....
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#2
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There are 3 currently out. RV6, ATLP and XLR8. From what I understand, RV6 tucks up under the most so it has the best clearance. The XLR8 has equal length pipes, the ATLP is about .5" off. Not sure in the length difference in the RV6. Anyone please correct me if I'm wrong.
#6
Man of God.....
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OK, all three do the same this (well about) one is cheaper yet made from Billy Boat. Well known for power boat stuff. And the 3 are all SS. I own the XLR8. It's fit and finish are top notch!! It really puts out the power! I had 2.5' SS cat back already. Also I have the E-Shift ProCats. So this was the last piece of the pie. I would buy the XLR8 again. You sould too.
No question.
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#7
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I think there are people wpho would say the same about the ATLP pipe and the RV6 pipe too.
All good products.
Depends mostly (IMHO) on personal preference and exhaust plans.
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#8
I have a custom 2.5 all the way back even custom j pipe . but i dont think it has the fit and finish as one of the others. It was done by my exhaust guy and he has done a great job. But no r and d like the others. so thats all i am gonna change unless u guys convince me of the pre cat deletes too.... but that wouldnt take much....lol
Hey spirit man do u have any issues with ur pre cats at all...just wonderin. Dont want any cel issues.
Hey spirit man do u have any issues with ur pre cats at all...just wonderin. Dont want any cel issues.
Last edited by Actrite04; 01-04-2009 at 12:58 PM. Reason: Question....
#9
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According to his sig, he's running E-shift Pro cats. They're high flow catalytic converters, different than the pre cat deletes.. The RV6 pre cat deletes get rid of the catalytic converters entirely but trick the car into thinking they're still there so you usually don't get a CEL.
#10
Man of God.....
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Now with the "J" pipe on. I get such "go fast" that like in 2nd gear. I get kinda scared.
But seriously folks. I have not had any trouble with the cats at all. But I do get some funny looks from those people in my rear view mirror. Allot of the time there mouth is like hanging wide open in shock! As that black Acura speeds away from them, and they can't even catch up!!! He he
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#13
#21
Burning Brakes
I don't like the way the J-Shift pipe joins at the Y. Too much of an angle- that probably costs a few HP, and some of that midrange torque.
#24
You can get a j-pipe at:
http://www.heeltoeauto.com
http://www.excelerateperformance.com
http://r-.ecrater.com
http://www.heeltoeauto.com
http://www.excelerateperformance.com
http://r-.ecrater.com
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if all the jpipes produce the same gains, but the rv6 is cheaper and doesn't sit as low, no offense to other companies but why purchase anything else? That is an actual question not being a ass...
#29
Look at all three designs, and compare. They are all different. No one has specific height measurements as far as exact differences, could be very minimal. The ALTP looks like the best flowing design IMO, nice flex pipe, equal length, smooth y joint. The rv6 y joint comes together kind of funky since it has the short runner. Also a few people had a leaky flex pipe with the rv6, causing a hiss noise. I'm no expert, just my observations.
Also the individual gain from just the J pipe only are not a whole lot. Dyno conditions vary, which varies the power measurement. No one has conclusive testing between the 3, in the exact same conditions.
Also the individual gain from just the J pipe only are not a whole lot. Dyno conditions vary, which varies the power measurement. No one has conclusive testing between the 3, in the exact same conditions.
Last edited by powerflow; 01-14-2009 at 09:34 PM.
#30
Rev High; Drive Happy
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=t You guys are making me think too hard of whether to get ATLP, XLR8 or JV6 J-Pipe =[
Thinking JV6 since there's lots of speed bumps [large and small] and potholes and such... I plan to eventually lower the TL as well.
Thinking JV6 since there's lots of speed bumps [large and small] and potholes and such... I plan to eventually lower the TL as well.
#31
I put on the ATLP J pipe and got before and after numbers with my G-tech. I only got a gain of 3 HP (changes in temp and humidity factored in) - no other mods. Hope this helps.
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#32
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#36
The max torque changed from 159.0 @ 4923 to 161.2 @ 5029, and the shape of the curve is essentially unchanged. With this experience I decided to perform no other mods, as I suspect most of the claims as to performance advantage are probably often exaggerated. Trust, but verify. YMMV.
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#37
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The max torque changed from 159.0 @ 4923 to 161.2 @ 5029, and the shape of the curve is essentially unchanged. With this experience I decided to perform no other mods, as I suspect most of the claims as to performance advantage are probably often exaggerated. Trust, but verify. YMMV.
AR
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#39
Man of God.....
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This is where the hot gasses from the engine meet and are mixed. One of these manufacturers pipes is a long tapered affair. That (to me) is the only way to get MAX hp. Also you will get the best mixing of the exhaust and scavenging from the other cylinder bank. All else being equal. I think and bought the only best made/engineered pipe on the market! And it's the least expensive. Look at all of the pipes and see for yourself.
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#40
The only performance mod I have is the UR pulley, which made for a modest performance increase, but it was only $200.