Active Autowerke Downpipe (ADP)

The speed of a turbo impeller wheel is limited by the exhaust back pressure within a car\'s system. Elimination of exhaust back pressure ensures increased turbo spool that leads to quicker engine revs and higher HP. The Active Autowerke Signature Down Pip

Starting At Only
$ 599
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  • ProInstallation

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Features and Benefits Of This Product

Looking for downpipes more impressive than the 2.5” factory exhaust piping? Active Autowerke is pleased to present you a 3” performance downpipe. Utilizing a 3” piping system, with the least restrictive bends possible, will dramatically improve torque and engine response.

Having this 3” performance downpipe system will unleash more power potential over the restrictive factory unit. To reinforce the installation, you will need factory like support braces to relieve pressure on the turbos. This beautifully fabricated downpipe is made from 304 stainless throughout for smoother exhaust flow, increased corrosion resistance and longer lifespan.

Want to get more power out of your BMW 135i and 335i with the N55 single turbo engine? Then, install the Active Autowerke N55 DP to your BMW 135i and 335i and experience maximum turbo performance.

The turbo is a device known for producing free HP because it is powered by already spent exhaust gases. The restrictive factory downpipe of the 135i and 335i BMWs hinders the speed of the factory turbo to maintain or achieving maximum turbo performance. To reach the turbo optimum peak, you will need to replace the restrictive factory downpipe with high flow downpipe system. Eliminate huge exhaust restrictions and unleash the true power of your BMW with the N55DP.

This product started as a test pipe that would replace the very restrictive exhaust element to alleviate back pressure. The product turned out to be a great application suited for off road vehicles.

Back pressure within the exhaust piping system slows down the turbo impleller wheel. Reducing some or most of the exhaust back pressure will allow the turbo to work faster and effortlessly. The result is improved engine response and increase horse power.

What if you utilize a 4” piping system with restrictive curves? If the 3” downpipe provides improved turbo response time and power gains, expect a more impeccable performance when you have the 4” diameter piping.

Key features of Active Autowerke exhaust downpipe:

-Designed with less restrictive curves and more straight flows
-Full 3.00" 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: This product is designed for off road applications. BMWs will have a CEL light sensor for off road use, instead of the Active Autowerke software.

Installation Notes

Installation Difficulty: PRO - Professional Installation Suggested

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.

This Product Fits

E70 - BMW X5 and X5M SAV - 2007-2013, E87/E81 - BMW 1 Series Hatchback Sedan - 2004-2010, E90/E91 - BMW 3 Series Sedan and M3 - 2006-2012, E92/E93 - BMW 3 Series Coupe and M3 - 2007-2013, E71 - BMW X6 and X6M SAV - 2008-2014, E82/E88 - BMW 1 Series Coupe & 1M - 2007-2012,

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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Installation Difficulty

PROFESSIONAL - Professional Installation Recommended