Yeah, had a 4AT, then a 6MT. When I couldn't find another 6MT and my Dad decided to sell his low mileage, well maintained Accord (he wanted a truck), I bought it. Its at least as quick as my 4AT Maxima was with better fit, finish, interior, mileage and build quality. But my 6MT would have stomped either car.

When did you get a TL?

 

Def a better build quality... Idk about it stomping the 6mt though lol... I just made the switch may

 

There's no comparison between the test pipe and the j-pipe. The test pipe may add a few hp at most. The j-pipe can add easily 15-20 hp and 20-30 tq. This is an independent dyno with our XLR8 V2 j-pipe:

 

I appreciate your input and I know it was the "other brand" but someone on v6performance actually lost power with a j-pipe (J30 and 5AT). Might be something else going on, I don't know.

Definitely looks like it should provide power increases based on the difference between the stock J-pipe and aftermarket versions and I'm at a loss as to why some people have had issues with them. All ears if you have any thoughts on why.

BTW, not all that concerned if there aren't any top end gains, my goal is as much midrange improvement as possible. It was very tough at first going from a VQ35 to a J30 and losing all that midrange torque.

 

With all these said, the thing that comes to my mind is the connection point of the precats in to one on J-Pipe.

Stock has the shortest distance before connecting in to one pipe.
RV6 has the longest one, and XLR8 V2 is somewhere between.

That means XLR8 V2 is much better than RV6? Since close to stock design? Since both precats flow joins together at a shorter distance?

Or ATLP V1 with a Test pipe on 3rd car is the best? Which is way closer to stock design?

 

Or stock with a test pipe lol...

 

That's what I am doing right now^
and If I see a used ATLP v1 on BM, I'll buy it and try it.

 

My best guess as to why some don't have good results with an aftermarket j-pipe is they likely have some issue ahead of it, like precats that are clogging up.

I know my Maxima was starting to feel pretty slow in comparison to how it was when I first got it. Then I started getting P0420/0430 codes so I got a pair of lightly used precats from a maxima.org member who put headers on his Maxima. When the precats came off the car, it was obvious they were breaking up internally. Even before I removed the rear cat and swapped in a test pipe, my car felt like it was running stronger. Between replacing the clogging precats and the main cat, 45-85 times dropped by 3 seconds. Might not have got any gains with a test pipe if I hadn't changed out the precats.

I did look on the XLR8 site, j-pipes are going for $400. Might end up pulling the trigger on one anyway since most people have had good results.

 

^ the 400$ one does not remove third cat. the V2 wich I think is 450$ does remove third cat.

 

Thanks, didn't notice the first one bolted up to the 3rd cat.

 

I don't like the design on XLR8 v1, v2 looks better.

If we compare the ones that bolts on to 3rd cat. ATLP looks better to me.

and on Helltoe
ATLP comes to $363 with coupon "swoosh"

http://www.heeltoeauto.com/atlp-j-pi...roductid=63698

XLR8 v1


ATLP

 

I can never remember..............which one is the best for lowered cars?

 

I knew it, I even wrote it somewhere but can't find it.
Anyways it was from the threads around... it's close

 

Ill gladly do a stock dyno now and then dyno again with just PCD's when i buy a set.... It would be so sweet if i could find a 6mt with just j-pipe n pcd to see also...

 

The XLR8 V2 j-pipe offers the most power, best ground clearance, and best design by us thus far. However, it eliminates the third cat, whereas the V1 j-pipe retains the third cat. The third cat isn't a monitored cat so it won't trigger a CEL by deleting it.

 

Mine is, go custom!

 

If I didn't get a killer deal on my jpipe I was going to buy this pipe right here, construction looks the best of the competitors. Design looks like it is the best for optimizing flow(that is where I believe the gains come from.)

 

I will be waiting for somebody running (2) high flow cats, instead of pre-cat deletes, and the j-pipe for results of sound, gains/losses. I don't want to run pre-cat deletes due to the noise it will generate. I don't want this , especially coming from a Civic Si.

 

I can agree with you on this, as soon as I put my pcds on my exhaust became 200% louder and raspy lol. There is a few poeple running hfpc and full exhaust, just search. Just try it out! I have my exhaust for sale in the BM I'm willing to sell it much cheaper if someone wants to buy it soon. Has two resonators put in with mid and stock res delete with two aftermarket mufflers.

 

Hey man, I don't have the $$$ right now to just try it out. I appreciate the info on the exhaust, but I want to keep my stock exhaust on the TL type S. I really want to keep the luxury and smoothness of the TL type S. I would like a bit more agressive sound with the exhaust , but a whole cat back may be too much. I don't want any extra cabin noise and no drone at all, so this is why I will likely go with the High flow cats and a J pipe. I may consider the mid muffler delete adding a magnaflow resonator, but i doubt this.

 

I doubt as well... that Type S exahust is Money money money.

 

Didn't know you were type S. I'd start with a JPIPE and see how you like it. If your looking to save a bit of money then I would recommend just bypassing the mid muffler and leaving the stock resonator and seeing how that sounds also.

 

You can get rid of rasp from any exhaust system and noise from pcd if you want to... Most ppl want all this stright pipe type features but want oem sound lol, 1st mistake, biggest mistake... You can make a very good free flowing exhaust without too much noise if you want to...

 

For reference I'm low as hell, going lower, my frame would hit before my jpipe, or my bumper whatever....Heres a comparison I found a picture I took way before

 

how much does a custom jpipe cost?

 

labree made my jpipe....

 

Thanks for all the replies. I am still divided over getting the J-pipe, high flow cats, and a hondata tune. I think the hondata tune will remedy any potential loss down low with the J pipe. I just need to know which J pipe? RV6, heel to toe, Excellerate?? I was leaning to RV6. I like the sound I have heard on videos.

 

J pipe gives you low end. Get the HFPCs, j pipe, and tune. It's a great setup and you won't be disappointed. I have all 3 and then some, and I love it

For which j pipe please read this entire recent thread, there also many more like it by searching:
https://acurazine.com/forums/3g-tl-performance-parts-modifications-112/atlp-%2Avs%2A-rv6-j-pipe-pros-cons-please-892799/

 

since they all peform +- 3 from each other, there isnt a point in splitting hairs.

get the one thats the cheapest!!!! since you did say, money is tight.

 

Thank you!!!

Well being someone who has been on the dyno many many times..... I can say.... AGAIN.... I LOST POWER with the RV6 V3 J-PIPE. And I will say AGAIN.... I DO NOT THINK ALL THE J-PIPES PERFORM EQUALLY !

For some reason all the j-pipe creators : rv6, atlp/heeltoe, xlr8/billyboat .... All seem to do Dyno's on cars that have STOCK Pre-Cats.

I think they or at least one of them should create a design geared towards TL owners who have Rv6 v3 Pcd's.

As I feel and I have data to prove ( search my user name under this section many dyno's / threads ) That the 3G TL does require some sort of back pressure & benifits from being a little bottle necked vs full FREE FLOWING.

As I put my 3G 3.2 6spd TL b4 / after it made gains with :

aem cai (+ )
then
v3 pcd's (+ )
then lost with v3 j-pipe. (-)
Made gains with stock j pipe back on. ( + )
Added xlr8 v2 Crank pulley ( + )

Put on a cat back and deleted 3rd cat with test pipe ( - ) Lost power.

Based on the design ; with having Intake, pcd's I would probably say the ATLP v2 with a high flow 3rd cat and a after market cat back would work best. I am just guessing.
But I do know that a tl with pcd's and adding a v3 j-pipe loses power.
And I know that a tl with pcd's and adding a test pipe and a cat back loses power. It didn't lose as much power as it did with the v3 j-pipe but still lost a few.

It makes me wonder why Honda designed this TL with such a ugly looking and bent j-pipe & why they put on (3 cats).
Must be for a reason..... As to be super emisson friendly the 2 front / pre cats would be enough, but then they deisnged a bent j-pipe and put on a 3rd cat.... hmmmm.....

 

Cars nowadays being built need ECM to actually gain power, which is why getting Flashpro/MS3/AEM is a priority before even modding a car.

 

you're so over thinking this.
my friend that has a 6 speed and an XLR8 pipe versus my 6 speed and rv6 pipe - and no one really pulls on each other. we're mainly even.

plus, Honda chose to put the 3rd cat on to achieve the ULEV II status.
Honda civics are only at an ULEV rating. we put out less emissions than a Honda Civic because of that third cat

 

Look at the bigger picture guys....search search search and do homework.

 

then lost with v3 j-pipe. (-) = Impossible

 

Really? Find 1 person who can prove me wrong ?
I don't think any1 has done b4/ after with the rv6 v3 jpipe with v3 PCD's installed.

I installed it on my tl when it just had aem Cai, and rv6 v3 PCD's , the j-pipe rv6 v3 lost 6whp / 12wtq. Peak numbers. It did gain a bit down low though.

I forget the guy on this forum who installed that j-pipe but with true dual cat back and he only gained a few hp I think 1-3whp ?

Anyways I said this many times b4, and ill say it again...3G TL's with PCD's will react different front j-pipe to j-pipe. I've already tried the v3 rv6 and lost. Next I'm going custom or atlp v2 and a high flow cat.

 

I def believe you bro... You have the dyno to prove, all anybosy else have been saying is "look at how pretty this one looks vs stock, i install mines n FEEL a difference, one car didnt pull on the other" NONE of which is any measurement of facts... Yet you provided dyno facts, solid ones at that and still ppl go off some random info.... Impossible, ive been saying that the J-pipe is overrated and the people with em have no proof outside of a mental belief that theres this dramatic difference..... Tl-S here in MD dyno 291whp with PCD, stock J-pipe, straight pipe back, pulley intake n outlaw spacers, cars here with J-pipes gets on dyno dynamics (high reading dyno) and still doesnt make that much lol, im with u bro, ill wait for someone to prove you wrong..

 

I said the 6MT would stomp it or the 4AT Maxima. Definitely believe all the bone stock low 14 at 98 mph time slips on maxima.org for the 6MT cars.