Active Autowerke Downpipe
The speed of a turbo impeller wheel 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 power.
Features and Benefits Of This Product
The down pipes are created with the minimum amount of restrictions or bends by utilizing 3 inch piping throughout, that is impressive when compared to the factory diameter of 2.50 inch. You will experience a faster, more responsive engine as the turbo impeller now has the ability to spool much faster. The end result is more power. For added durability, factory like support braces are also implemented to alleviate stresses upon the turbos. 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 inch wall thickness (1.5 m.m.)
Looking to increase the power on your BMW 135i and 335i with the N55 single turbo engine.
Install the Active Autowerke N55DP and unleash the true power that is hidden in your BMW 135i and 335i.
The turbo is often described as a device that creates free horsepower becuase it is driven by already spent exhaust gases. In the BMW 135i and 335i, this exhaust gas is being restricted by the current factory downpipe which slows down the speed of the factory turbo to maintain or reaching the turbo optimum peak.
The N55DP was created from inception as a test pipe that would substitute the factory exhaust catalyst to relieve this back pressure. As such, the end result is a product primarily suited for off road applications like racing.
A turbo impleller 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 horesepower. The Active Autowerke Signature exhaust down pipe is designed with the intent to maximize the power. The downpipe is created with the least amount of restriction possible by utilizing 4.00 inch 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 steel throughout ensures a robust and durable exhaust that will provide trouble free performance with the longevity to match. All flanges are 304 stainless steel with 0.060 inch wall thickness (1.50mm)
-Designed with less restrictive curves and more straight flows
-Full 3.00 inch diameter piping throughout 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
NOTE: Designed for off-road use, the BMW will have a CEL light without the Active Autowerke sofware for off-road use.
Installation Difficulty: PROFESSIONAL (Professional Installation Recommended)
Complimentary or Alternate Products
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This Product Fits
(See PRICES & ORDERING tab above for clearer detail)
BMW X5 and X5M SAV - 2007-2013 - E70, BMW 1 Series Hatchback Sedan - 2004-2010 - E87/E81, BMW 3 Series Sedan - 2006-2012 - E90/E91, BMW 3 Series Coupe - 2007-2013 - E92/E93, - , BMW X6 and X6M SAV - 2008-2014 - E71, BMW 1 Series Coupe & 1M - 2007-2012 - E82/E88
Warranty + Satisfaction Guarantee
Order with confidence! If you are not completely satisfied with your purchase, you may return it for exchange or refund. This product carries a 1 year manufacturers warranty. See our terms of sale for full details.
Notes / Warnings
Please check your local laws for ensure legality when using this product on public roads and highways. In areas where this product is not legal for road use it is sold strictly for off-road, track or show use only.
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how much hp do i get ???
This is dependent on your previous/existing modifications, Please note this will not fit on the E70/X5 or the E71/X6
Sorry, no buyers guides exist for this product.
|For E70/E71 X 5M & X 6M|
|X5 M & X6 M||
|For E70/E71 X5 & X6 non-M Slip-on|
|X5, X6 NON M SLIP ON||
|For E70/E71 X5 & X6 non-M|
|X5 & X6 2009 up 5.0 L only||
|For E9X 335 & E87 135|
|335 135 2011 & up (N55)||
|335 135 up to 2010 (N54)||
|For F10 M5|
|Downpipe For F10 M5||
|For F10 non-M|