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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Active Autowerke| N55 Downpipe 4"



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      03-30-2012, 03:18 PM   #1
Andrew@ActiveAutowerke
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Active Autowerke| N55 Downpipe 4" $399







A turbo impeller wheel speed is mostly limited by the exhaust back pressure within the system. If one could eliminate some or most of this exhaust back pressure, the turbo will spool that much faster and effortlessly resulting in quicker engine revs and increase HP. The Active Autowerke Signature down pipe is designed with the intent to maximize in power. The down pipes are created with the least amount of restrictions possible by utilizing 4" piping with the least amount of bends possible. What you will experience is a faster, more responsive engine because the turbo impeller now has the ability to spool that much faster. The end result is more power. For added durability, factory like support braces are also implemented to alleviate the stresses upon the turbo. Made from 304 stainless throughout ensures a robust and durable exhaust that will provide trouble free performance with the longevity to match. All flanges are 304 stainless with the 0.060" wall thickness (~1.5 m.m.)

note: designed for off-road use, car will have CEL without Active Autowerke Software Upgrade for Off-Road use

Key Features:

-Designed with less restrictive curves and more straight flows
-4.00" diameter piping allows for maximum power output
-Quicker turbo spool
-Durable construction from 304 stainless with 1.50mm wall thickness
-Precise fit installation
-Full down pipe exhaust support braces relieves load bearing stress
-Installation included with large pictures and short text



$399


Bimmerfest Sale pricing Ends 5/24

Pm me to place your order today!

Last edited by Andrew@ActiveAutowerke; 05-13-2013 at 04:59 PM.
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      03-30-2012, 03:25 PM   #2
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now that would have been pretty awesome if you made something different... kind of like a straight through turbo-back exhaust and not splitting into the two pipes... kind of like the new F30 exhaust which is a single...
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      03-30-2012, 03:37 PM   #3
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We looked into that option but most of our clients will be using the stock mid-pipes.
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      03-30-2012, 03:39 PM   #4
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
We looked into that option but most of our clients will be using the stock mid-pipes.
I for one may be interested in something like this... wonder if the F30 will bolt on my 2011 E90 with a modified downpipe like yours ... It just looks great and i'm sure it sounds fantastic

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      03-30-2012, 03:51 PM   #5
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A bit late in the game, but you guys make nothing but quality products. I heard your exhaust and x pipe on an e92 m3...and wow! I have no doubt that these will become one of the top downpipes for the n55.(for quality and fitment)
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      03-30-2012, 04:01 PM   #6
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Quote:
Originally Posted by Sloppy
Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
We looked into that option but most of our clients will be using the stock mid-pipes.
I for one may be interested in something like this... wonder if the F30 will bolt on my 2011 E90 with a modified downpipe like yours ... It just looks great and i'm sure it sounds fantastic

I am currently making a custom exhaust using this design.
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      03-30-2012, 04:01 PM   #7
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Looks like a really really nice exhaust
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      03-30-2012, 04:01 PM   #8
eyim1988
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Downpipe whoops
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      03-30-2012, 04:22 PM   #9
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Thanks for the love you guys! It is definitely a quality piece and i'm glad to finally add it to our line up!

We will be doing a group buy soon so be sure to keep your eyes peeled
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      03-30-2012, 05:38 PM   #10
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Any plans for catted version?
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      03-30-2012, 06:55 PM   #11
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Any plans for catted version?
Waste of money
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      03-30-2012, 08:35 PM   #12
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      03-30-2012, 08:55 PM   #13
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any idea on the group buy $$$?
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      03-30-2012, 09:05 PM   #14
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Msrp will be $699


Sneak peak at the intro special starting monday.

$499

Have a great weekend you guys!

Last edited by Andrew@ActiveAutowerke; 07-10-2012 at 05:05 PM.
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      03-30-2012, 09:12 PM   #15
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Put me as number 1 on the list then.
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      03-30-2012, 10:51 PM   #16
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$700? damn good luck with that
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      03-30-2012, 11:06 PM   #17
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Very nice looking downpipe!
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      04-01-2012, 12:55 AM   #18
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How much would it be to install of I buy it at the shop?
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      04-01-2012, 08:22 AM   #19
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How much would it be to install of I buy it at the shop?
Be sure to bring anal lube as well.
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      04-01-2012, 11:03 AM   #20
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So why is this worth more $ than the BMS?
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      04-02-2012, 09:08 AM   #21
Andrew@ActiveAutowerke
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How much would it be to install of I buy it at the shop?
Pmed.
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      05-18-2012, 10:34 AM   #22
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New group Buy pricing now up in the commercial Section
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