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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning AR True 3'' DP

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      11-21-2016, 02:34 AM   #1
SerenVoX
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AR True 3'' DP

So after lots of research on DPs, Ive decided I want to purchase a catless DP to pair with a JB4. I am looking at a not so common DP as I haven't heard it mentioned on the forums. I do know this claims a small amount more HP than others due to differences in size (not referring to flange). Can someone elaborate on pros and cons of this AR True 3'' DP vs. other more common sizes. Has anyone bought this and could provide some review? Any technical feedback on DP in general is welcome.
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      11-21-2016, 10:38 AM   #2
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3"? I thought the stock DP used on the M235i is a 4" one? I am not exactly tech savvy when it comes to cars, but it seems to me that would not be the best idea to get a 3" DP. All "known brands" such as ER, Wagner and whatnot all offer 4" DPs for the M235i AFAIK.
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      11-21-2016, 01:38 PM   #3
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You want as little restriction as possible coming from the turbo. I'd go with a 4" unit, personally...
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      11-21-2016, 03:33 PM   #4
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Quote:
Originally Posted by SerenVoX View Post
So after lots of research on DPs, Ive decided I want to purchase a catless DP to pair with a JB4. I am looking at a not so common DP as I haven't heard it mentioned on the forums. I do know this claims a small amount more HP than others due to differences in size (not referring to flange). Can someone elaborate on pros and cons of this AR True 3'' DP vs. other more common sizes. Has anyone bought this and could provide some review? Any technical feedback on DP in general is welcome.
Vendor link: http://www.2addicts.com/forums/showt...t=3in+downpipe
We offer AR as well ... It is a quality piece for sure but i would go with the 4" ones for better air flow and deeper sound
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      11-25-2016, 10:40 PM   #5
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The available offerings from almost every other manufacturer are larger than 3" if you're really interested in flow
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      11-26-2016, 03:50 PM   #6
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The available offerings from almost every other manufacturer are larger than 3" if you're really interested in flow
Tiago,
Thank you for the response, no surprise but I ended going with a VRSF catless DP. Thanks to Mike over at XPH! Now just waiting for it to get here
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      11-28-2016, 07:36 PM   #7
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Tiago,
Thank you for the response, no surprise but I ended going with a VRSF catless DP. Thanks to Mike over at XPH! Now just waiting for it to get here
Congrats!!
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