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Old June 27th, 2016, 10:10 AM   #1
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Smile Free flow J pipe or cat back exahust mufflers

I have a 2006 Honda accord V6, with a cold intake filter, now My question is what would be more beneficial to gain more power, to replace or buy first an free flow jay pipe or a free flow cat back mufflers and what kind or brand you would recommend.
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Old June 30th, 2016, 06:48 PM   #2
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I would get the RV6 J Pipe, with either the Pre Cat Deletes, or the High flow Pre Cats with Ceramic Coating. The J pipe deletes the third cat, so no need for a high flow cat.

https://rv6-p.com/accord/7th-gen

I would get an Apexi WS2 Cat Back to go with the J Pipe and Pre Cats. You can find the Dual V6 version for around 900-1100 online.

WS2 Muffler, 2003-2007 Honda Accord V6

If Apexi isn't your preference, I would go Tanabe 2nd.

I wouldn't get just a j pipe, or just a cat back. You need to swap out the entire exhaust system to really take advantage of the J30 V6.
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Old June 30th, 2016, 06:57 PM   #3
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j pipe. I also have an intake f/s
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Old July 1st, 2016, 07:50 AM   #4
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While swapping the whole system is most beneficial, it's also about $2000 all said and done.
1) Both of the exhausts listed are notorious for rasp and drone, check out the exhaust comparison sticky and decide what you like best.
2) Our cars have annoyingly restrictive catalytic converters after each head called pre cats. Those being replaced with either high flow pre cats or pre cat deletes are the best first step IMO. J pipes are catered toward either torque or hp, RV6 or ATLPv2 respectively are the best two.
3)Choose an exhaust that fits how you want the car to sound. Honestly any exhaust except the Borla exhaust will provide similar gains until you get into custom configuring the sizes to the muffler type. On any exhaust for this car however I would reccomend at least one resonator to kill rasp and drone.
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Old July 1st, 2016, 06:52 PM   #5
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I agree with the above statement...my borla sounds killer but the piping is weak small. If I don't do an e cutout I'll have it for sale after engine swap.
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Old July 2nd, 2016, 08:12 PM   #6
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J-pipe no doubt. Have the XLR8 v2 and the improvement (especially the midrange) was very noticeable.
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Old July 4th, 2016, 01:55 PM   #7
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Quote:
Originally Posted by 07J30 View Post
I agree with the above statement...my borla sounds killer but the piping is weak small. If I don't do an e cutout I'll have it for sale after engine swap.
Not to thread jack...but let me know if you put that exhaust up for sale
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Old July 11th, 2016, 10:52 AM   #8
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Any one seen or used the Dna j pipe? its on sale for 168 right.
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Old July 11th, 2016, 01:44 PM   #9
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I'd steer clear...stick to the big three for quality and Fitment reasons, ATLP, xlr8, or rv6
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Old July 11th, 2016, 01:56 PM   #10
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Good plan, it does seem a little ghetto
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Old July 11th, 2016, 02:46 PM   #11
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pay the extra cost. It makes a world of a difference
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Old May 16th, 2018, 10:35 AM   #12
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Old thread, but does anyone have insight on what an aftermarket J pipe might do to gas mileage?
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