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BMW E91 Performance Headers & Downpipes

BMW E91 Performance Headers & Downpipes Headers are a bolt-on component that will make a huge improvement in how your BMW performs. As a replacement for your factory BMW exhaust manifold, our BMW headers provide a more direct path for exhaust gasses leaving your engine. Headers prevent your BMW's exhaust pulses from "fighting" one another as they leave the head. The end result is that BMW headers give you more power and torque, and you'll love the high-winding top end push that a free-breathing engine exhibits. BMW headers are a must-have if you're doing any engine modifications on your vehicle. Along with a cold air intake, BMW headers provide the free-flowing exhaust necessary to get the most power out of your motor.
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Active Autowerke Performance Exhaust Header

Designed specifically for N52-powered BMWs, Active Autowerke has created a beautiful work of art. This performance header offers the perfect balance of sound and performance. With this header, you will have the benefit of increasing exhaust flow for a dramatic increase in power. Engineered to promote enhanced air flow, this system also reduces restrictions from the stock system that takes away horsepower. 

 

Key Features:

  • Dyno-Proven 20+ WHP gains over stock manifold
  • Improved power & torque curves throughout entire RPM range
  • Available for Coupe, Convertible, & Sedan
  • 100% 304 Brushed Stainless Steel finish
  • Mandrel-bent tubing for a smooth & unrestricted flow
  • Each header test fitted on N52 Header jig
  • Guaranteed to fit on BMW E9X 328i w/N52 engine
  • Includes all gaskets needed for installation
  • Two-year Limited Warranty

    Designed specifically for N52-powered BMWs, Active Autowerke has created a beautiful work of art. This performance header offers the perfect balance of sound and performance. With this header, you will have the benefit of increasing exhaust flow for a dramatic increase in power. Engineered to promote enhanced air flow, this system also reduces restrictions from the stock system that takes away horsepower. 

     

    Key Features:

  • Dyno-Proven 20+ WHP gains over stock manifold
  • Improved power & torque curves throughout entire RPM range
  • Available for Coupe, Convertible, & Sedan
  • 100% 304 Brushed Stainless Steel finish
  • Mandrel-bent tubing for a smooth & unrestricted flow
  • Each header test fitted on N52 Header jig
  • Guaranteed to fit on BMW E9X 328i w/N52 engine
  • Includes all gaskets needed for installation
  • Two-year Limited Warranty

This part alters or deletes the emissions equipment on your car. Because of this, we require a waiver of emissions compliance to be signed and sent in to Turner Motorsport. You can download the waiver here.This part alters or deletes the emissions equipment on your car. Because of this, we require a waiver of emissions compliance to be signed and sent in to Turner Motorsport. You can download the waiver here.

Active Autowerke
Part #: aaexhhe9x328iKT
Price: $949.01 (USD) 
In Stock
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E82 128i, E9X 325i/328i/330i Supersprint Stainless Performance Headers

Special pricing! Free ground shipping!

Adding headers and removing catalytic converters from the exhaust is one of the top things to do to make more power. The factory put the cats in the stock exhaust manifold which restricts exhaust flow. But any race or track car will want to run without cats to gain the most power and torque. We used these on our in-house 325i project car on our way to 272hp. These Supersprint stainless headers are a true tubular, equal length design that bolt up for an immediate power gain. With no cats and a race exhaust you can expect to gain 15-20hp over the stock exhaust setup. Power gains with a cat section depend on the type of cat.

Supersprint exhaust is widely recognized as the leader in complete exhaust system upgrades - extremely high quality, well designed for optimal flow, and amazing sound. Even at a premium price Supersprint is an unbeatable exhaust design because every aspect is done to such a high level. Most Supersprint systems are built with larger diameter piping to improve exhaust flow which helps the engine do less work and make more horsepower! Supersprint exhausts generally run at a premium over other systems but no other system on the market can match their quality, performance, or reputation!

Section 1 / Catalytic Converter Options
You have a few different options for the exhaust immediately after the headers (known as 'section 1'):

 

Stock Section 1 Cats*Sport Cats*Straight Pipes**

* - you will need to have the rear O2 sensors extended to the new location of the cats. Special software or stand-alone engine management may be required to prevent fault codes and other conditions.
** - any cat-less section is sold expressly for race or on-track use only. Special software or stand-alone engine management may be required to prevent fault codes and other conditions.

Header Details

 

section:headers

connects to:stock or Supersprint section 1

material:T304 stainless steel

 

This part alters or deletes the emissions equipment on your car. Because of this, we require a waiver of emissions compliance to be signed and sent in to Turner Motorsport. You can download the waiver here.


This item fits the following BMWs:
2008-2012 E82 BMW 128i
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive - Coupe
2007-2013 E93 BMW 328i - Convertible

Supersprint
Part #: 789001KT
Price: $1275.96 (USD) 
$1594.95 (Sale - Save 20%)
In Stock
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