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      07-17-2012, 02:36 PM   #1
novablackm3
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Ultimate racing catted down pipes installed

Finally got my ultimate racing catted down pipes installed in the x5m. I also opted to go for the catted o2 bungs / extenders to further reduce any type of CEL.

i know its a diff engine but on my e92 m3 i went w/ just o2 extenders and the CEL goes off but comes back on every few thousand miles and goes back off on its own.

the pipes were installed @ Car Authority carauthority.net in Fredericksburg VA as they provide pick up/drop off or tow service if requested.

Total install time was 9 hours . ( other shops quoted as high as 11 hours).

Install cost was around 800 bucks including pickup/drop off.

Now for the performance

Cold start is a bit louder and normal idle is a few db's higher. Driving in D , the power band was much smoother with just a slight increase in cabin noise. In S And M mode with Power going through 2nd and 3rd i immediately felt the power surge/increase and a slight difference in exhaust back fire / burble.

After i drive it a few more and compare to my buddies stock x5m i'll get my tune

videos of the exhaust sound coming up.

All in all pretty good for under 2400
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      07-17-2012, 05:21 PM   #2
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I also installed my catted DP today and wow what a difference and no cel. Normal driving the noise level is close to akropovic system with stock dp but it now sounds like a turbo v8 should- in m mode when you stomp in it it comes to life and you can definitely feel and hear the difference. Highly recommend this product.
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      07-17-2012, 10:31 PM   #3
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The exhaust burble on high rpm and between shifts are erotic .
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Jerez Black E92 10 m3 - STI Mag| LI | RE SSK | AFE Filter | Fabspeed XFC / Xpipe | AA ECU 1.5v | BMW PSW | | Envy Charger | Megan Exhaust | Mich SuperSport | Self coded a bunch of stuff
Jetblack E92 08 m3 - V1 | RE SSK | RR Scoops | AFE Filter | AA ECU <Retired>
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      07-18-2012, 09:15 AM   #4
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Nice, definitely a nice upgrade! Let me know if anyone needs a custom tune for these downpipes! You guys enjoy the car in good health
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      08-06-2012, 05:59 AM   #5
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nice..i cant wait to see the vids
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      08-07-2012, 07:15 AM   #6
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That is good stuff!! Can't wait to hear it!
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      08-07-2012, 08:03 AM   #7
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So just replacing the down pipes makes a big diff in sound and performance. I'm not so interested in the added performance but I definately want to improve the sound. Nova, when are we going to get a sound clip?

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      08-17-2012, 11:11 AM   #8
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Looks like a great product for a great price. Just want to make sure you guys arent getting a CEL and will this mod still pass an emissions test? This might be my second mod once I get my tune in.
Toss up a sound clip when you can!
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      08-18-2012, 10:51 PM   #9
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Looking forward to the video. Are you currently running a tune?
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      09-24-2012, 11:21 PM   #10
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Can't wait to hear the difference!
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      09-27-2012, 09:58 AM   #11
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videos here :

http://www.xbimmers.com/forums/showthread.php?t=750656
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      12-06-2012, 03:04 PM   #12
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Do you know if there was any issues with the UR downpipes not having a flex section? I noticed all other DP have a flex section.
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      12-06-2012, 03:08 PM   #13
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Quote:
Originally Posted by X RaTeD M View Post
Do you know if there was any issues with the UR downpipes not having a flex section? I noticed all other DP have a flex section.
We have sold a few without any issues... The flex is a superior design but no issue so far.
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      12-06-2012, 03:13 PM   #14
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Quote:
Originally Posted by Omar@VelosDesignwerks View Post
We have sold a few without any issues... The flex is a superior design but no issue so far.
Can the UR DP be ordered with the flex section?
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