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      03-30-2013, 06:48 PM   #1
MaverickNemesis
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Best xpipe for Akrapovic slip on?

Been trying to decide for a while which would be best to go with. If anyone can chime in and help me out would be greatly appreciated. Videos are also welcomed. Thanks
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      03-30-2013, 09:02 PM   #2
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Go with the Akra or dinan mid pipe.
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      03-30-2013, 09:03 PM   #3
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Dinan. Or akra
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      03-30-2013, 09:14 PM   #4
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also
Challenge sport or Gintani with quad resonators
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      03-31-2013, 11:09 PM   #5
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...for what? TQ? HP? bassy sound? Loud? Quiet? Please specify what your needs are.
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      04-01-2013, 03:29 AM   #6
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Quote:
Originally Posted by Longboarder
...for what? TQ? HP? bassy sound? Loud? Quiet? Please specify what your needs are.
Best answer here. What does best mean?
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      04-01-2013, 11:24 AM   #7
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GT4
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      04-08-2013, 07:40 PM   #8
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I like the tone of my current slip on exhaust but I would like to add an xpipe to it I will do my research into dinan. Thanks guys
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      04-08-2013, 09:47 PM   #9
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Challenge Engineering "Street" will keep the primary Cats and allow passing vehicle inspections. Adds nice sound with Akra slip-on and some mild performance improvement while maintaing primary Cats. http://www.challenge-usa.com/v2/exhaust/bmw/street.htm
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      04-09-2013, 10:26 AM   #10
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I'll throw mine in the mix - Active Autowerke X-Pipe & HFC. Keeps primary Cats but still needs a stage II code for CEL. The secondary cats are replaced with resonators to deal with the drone and rasp. The car has a great howl at low RPMs now.
http://store.activeautowerke.com/act...w-cats-p2.aspx
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      04-09-2013, 12:32 PM   #11
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another option would be doing just test pipes as well, deleting the primary cats on the stock x-pipe.
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      04-09-2013, 12:34 PM   #12
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you've basically had every option available thrown out here..lol

I'll be installing challenge sport with akra slip-on in the next week or two. I'm local, you can check it out...

IMG in CT has akra with a full catless (4 resonators) setup...it sounds badass.
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      04-09-2013, 12:54 PM   #13
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Quote:
Originally Posted by chris s View Post
you've basically had every option available thrown out here..lol

I'll be installing challenge sport with akra slip-on in the next week or two. I'm local, you can check it out...

IMG in CT has akra with a full catless (4 resonators) setup...it sounds badass.
he also has a low compression build which helps
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      04-09-2013, 01:01 PM   #14
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yeahhh yeah we know this...
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      04-09-2013, 02:18 PM   #15
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I've got the full Evo and can't imagine it any other way, love the tone. Rekrul posted a thread a while back about his Akra/Dinan x-pipe combo here:

http://www.m3post.com/forums/showthread.php?t=649129

Scroll down to the bottom of the page for his videos. Keep in mind the Dinan pipe is full catless (very stinky) compared to the Akra X-pipe which still has one set of high flow cats. You can still smell it when you back up but is otherwise not an issue.
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