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BMW F23 Performance Headers & Downpipes

BMW F23 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.
You're currently viewing parts for your (F23) 2-Series Convertible 2014+. Reset your chassis
For accurate results, specify your model below.
F22 228i, F30/F31/F34 328i, F32 428i Supersprint Turbo Downpipe with Metallic Sport Cat

Free ground shipping! 

One of the keys to gaining power in any turbo engine is from reducing restrictions. By replacing the factory catalytic converter with a freer-flowing piece you are picking up additional power and still keeping the exhaust gases clean. This downpipe for the N20 engine is a direct replacement for the stock downpipe and includes a metallic catalytic converter. Supersprint's dyno testing revealed a 15hp/10ft-lbs increase using this downpipe and the rest of their exhaust system.

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 system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. 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!

Supersprint metallic sport catalytic converters are sourced from HJS of Germany. For 30 years HJS has been supplying motorsports teams with sport cats when rules required them. HJS is now a worldwide leader in sport cat technology and performance. Rally cars, German DTM, and Formula 3 all rely on HJS for clean, reliable horsepower. Supersprint works closely with HJS to spec a catalytic converter that is correct for the vehicle and engine package. This allows for a substantial increase in flow but which, at the same time, keeps the environmental specs within European limits. With any high-flow catalytic converter, special software or other work may be required to keep emissions fault codes and check engine lights from displaying. Supersprint catalytic converters are sold for track and other off-road uses only.

 

section:downpipe

connects to:OEM exhaust or Supersprint section 1

material:T304 stainless steel

 

This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.

 

 


This item fits the following BMWs:
2014+ F22 BMW 228i
2012+ F30 BMW 328i 328i xDrive 328xi - Sedan (with N20 engine; not for N26 SULEV engine)
2014+ F32 BMW 428i 428i xDrive 428xi - Coupe (with N20 engine; not for N26 SULEV engine)
Left Hand Drive ONLY

Part #: 987321
Price: $2059.07 (USD) 
Free Shipping Free Shipping
Quantity:   
F2X M235, F3X 335/435, F87 M2 Supersprint Turbo Downpipe with 100-Cell Metallic Sport Cat (118mm Inlet)

Free ground shipping! 

The factory 235/335/435 N55 exhaust system is pretty wide open with minimal restrictions - except for the catalytic converter. The factory cat is the biggest restriction so any exhaust work to gain more power is going to have to involve replacing it with something freer-flowing. Supersprint's downpipe incorporates a ultra high-flow HJS 100-cell metallic cat that flows considerably more than the stock ceramic part. It also uses bigger 80mm piping to minimize restrictions.

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 system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. 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!

Supersprint metallic sport catalytic converters are sourced from HJS of Germany. For 30 years HJS has been supplying motorsports teams with sport cats when rules required them. HJS is now a worldwide leader in sport cat technology and performance. Rally cars, German DTM, and Formula 3 all rely on HJS for clean, reliable horsepower. Supersprint works closely with HJS to spec a catalytic converter that is correct for the vehicle and engine package. This allows for a substantial increase in flow but which, at the same time, keeps the environmental specs within European limits. With any high-flow catalytic converter, special software or other work may be required to keep emissions fault codes and check engine lights from displaying. Supersprint catalytic converters are sold for track and other off-road uses only.

100-cell cats have 100 honeycomb cells per square inch. While still cleansing the exhaust somewhat this is basically a straight-through exhaust.

Dyno (M135i):
+28hp / +17ft-lbs
Supersprint downpipe with sport cat
section 1, section 2 straight pipes
performance muffler

 

This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.

 

 

 

This item fits the following BMWs:
2014+ F22 BMW M235i
2012+ F30 BMW 335i 335i xDrive - Sedan
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe
2016+ F87 BMW M2
Left Hand Drive ONLY

Part #: 988621
Price: $2269.23 (USD) 
Free Shipping Free Shipping
Quantity:   
Wagner Cat-less Downpipe - N55 - F22 M235i, F30 335i, F32 435i - 7/2013+

Eliminate the biggest restriction in the F22 and F30/1/2/3/4 N55 exhaust system by deleting the primary catalytic converter. On a track car, cats are no longer needed or wanted. They rob the turbo engine of power and torque, contribute excessive heat build-up, and lead to a total blockage if the catalytic material fails. This Wagner cat-less downpipe solves all of that by having no restrictions through its oversized diameter piping. Special software, or stand-alone engine management, will be required to keep emissions fault codes and check engine lights from appearing.

Features:

  • made out of high quality stainless steel 1.4301 (SS304)
  • 100% perfect fit, replace OEM
  • less thermal load on the turbocharger
  • more power by reducing back pressure
  • significantly more torque
  • connection diameter 105mm

This part alters or deletes the emissions equipment on your car, and may not meet emissions standards in all states. Because of this, we require a waiver of emissions compliance to be signed and sent in to TMS. You can download the waiver here.


This item fits the following BMWs:
2014+ F22 BMW M235i M235i xDrive
2014+ F23 BMW M235i Convertible
7/2013+ F30 BMW 335i 335i xDrive - Sedan
7/2013+ F32 BMW 435i 435i xDrive - Coupe
7/2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F34 BMW 335i xDrive GT - Gran Tourismo
2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe
Left Hand Drive ONLY

Part #: 500001017KT
Price: $390.00 (USD) 
Free Shipping Free Shipping
Quantity:   
F2X M235i, F3X 335/435, F87 M2 Supersprint Turbo Downpipe With 200-Cell Metallic Sport Cat (118mm Inlet)

Free ground shipping! 

The factory 235/335/435 N55 exhaust system is pretty wide open with minimal restrictions - except for the catalytic converter. The factory cat is the biggest restriction so any exhaust work to gain more power is going to have to involve replacing it with something freer-flowing. Supersprint's downpipe incorporates a ultra high-flow HJS 200-cell metallic cat that flows considerably more than the stock ceramic part. It also uses bigger 80mm piping to minimize restrictions.

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 system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. 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!

Supersprint metallic sport catalytic converters are sourced from HJS of Germany. For 30 years HJS has been supplying motorsports teams with sport cats when rules required them. HJS is now a worldwide leader in sport cat technology and performance. Rally cars, German DTM, and Formula 3 all rely on HJS for clean, reliable horsepower. Supersprint works closely with HJS to spec a catalytic converter that is correct for the vehicle and engine package. This allows for a substantial increase in flow but which, at the same time, keeps the environmental specs within European limits. With any high-flow catalytic converter, special software or other work may be required to keep emissions fault codes and check engine lights from displaying. Supersprint catalytic converters are sold for track and other off-road uses only.

200-cell cats have 200 honeycomb cells per square inch. This is much better flow than stock but still does a good job of cleansing the exhaust.

Dyno (M135i):
+28hp / +17ft-lbs
Supersprint downpipe with sport cat
section 1, section 2 straight pipes
performance muffler

 

This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.

 

 

 

 

This item fits the following BMWs:
2014+ F22 BMW M235i
2012+ F30 BMW 335i 335i xDrive - Sedan
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe
2016+ F87 BMW M2
Left Hand Drive ONLY

Part #: 988641
Price: $2632.77 (USD) 
Free Shipping Free Shipping
Quantity:   
Active Autowerke Performance Catless Downpipe - F3X N55 M235i 335i 435i

BMW introduced a new valvetronic, single turbo version of its direct-injection engine for the F-Chassis models, the Active Autowerke N55 downpipe for the M235i, 335i, 435i and M2 helps unleash some of the potential that is restricted by the OEM downpipe.

Turbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the N55 is quite restrictive, which results in slower exhaust gases and slower turbo spool.

The Active Autowerke F-Chassis N55 Signature down pipe utilizes 3.5” diameter stainless steel piping in order to provide more power, quicker spool, and extreme durability. 

A fabricated a 3.5" V-Band flange in the middle of it to create a truly modular design for any enthusiasts that would like to upgrade to a complete 3.5" exhaust later down the road. The OEM downpipe shrinks down to under 3" where it meets the stock exhaust. They've inserted the 3.5" flange so that if you have an M2 you can later upgrade to our complete 3.5" turbo back system, or if you have a M235i, 335i or 435i you'll have the option to create your own 3.5" turbo back system! AA's downpipe is the perfect addition for any F-Chassis N55 and especially those with an upgraded turbo system!

FEATURES:

  • Designed to be as unrestrictive as possible
  • 3.50" diameter piping allows for maximum power output
  • Quicker turbo spool
  • Easily bolts-on – no cutting or welding required
  • Durable construction from 304 stainless steel
  • Precise fitment
  • Modular design for later upgrades 

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.

Fitment:
2012+ F3X BMW M235i, 335i, 435i

Part #: 11-028KT
Price: $349.01 (USD) 
Quantity:   
F22 228i, F30/F31/F34 328i, F32 428i Supersprint Turbo Cat-less Downpipe

Free ground shipping! 

Eliminate the biggest restriction in the F30's exhaust by deleting the primary catalytic converter. On a track car, cats are no longer needed or wanted. They rob the turbo engine of power and torque, contribute excessive heat build-up, and lead to a total blockage if the catalytic material fails. This Supersprint cat-less downpipe solves all of that by having no restrictions through its oversized 76mm diameter piping. Special software, or stand-alone engine management, will be required to keep emissions fault codes and check engine lights from appearing.

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 system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. 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:downpipe

connects to:OEM exhaust 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 TMS. You can download the waiver here.


This item fits the following BMWs:
2014+ F22 BMW 228i
2012+ F30 BMW 328i 328i xDrive 328xi - Sedan (with N20 engine; not for N26 SULEV engine)
2012+ F31 BMW 328i 328i xDrive 328xi - Wagon (with N20 engine; not for N26 SULEV engine)
2014+ F32 BMW 428i 428i xDrive 428xi - Coupe (with N20 engine; not for N26 SULEV engine)
2014+ F34 BMW 328i Gran Turismo 328i xDrive Gran Turismo 328xi Gran Turismo (with N20 engine; not for N26 SULEV engine)
Left Hand Drive ONLY

Part #: 987311KT
Price: $756.95 (USD) 
Free Shipping Free Shipping
Quantity:   
Wagner Downpipe With Sport Cat - N20 - F30 320i 328i, F32 428i F22 228i

This N20 downpipe feature larger piping and catalytic converter that are freer-flowing than the original cats for better flow and less backpressure. By removing exhaust restrictions the turbos can spool up faster which makes more boost sooner. With additional tuning, more power is available. There are downpipes that delete the primary cats and can leave the exhaust with a dirty and awful smell. These Wagner downpipes are built with a sport cat to keep the exhaust cleaner.Special software, or stand-alone engine management, may be required to keep emissions fault codes and check engine lights from appearing.

Features:

  • 200cpi Catalytic Converter
  • 100% perfect fit - CAD designed.
  • less thermal load on the turbocharger
  • more power by reducing back pressure
  • significantly more torque
  • Made from 1.4301 (SS304) Stainless Steel

     

This product modifies (but does not remove or defeat) emissions equipment. For this reason this product may not be CARB compliant, and therefore not emissions legal in some states. Consult local laws and regulations in your area. For more information on this product, feel free to contact our sales department.

 

This item fits the following BMWs:
2014+ F22 BMW 228i
10/2012+ F30 BMW 328i 328i xDrive 328xi - Sedan (with N20 engine; not for N26 SULEV engine)
2014+ F32 BMW 428i 428i xDrive 428xi - Coupe (with N20 engine; not for N26 SULEV engine)
Left Hand Drive ONLY

Part #: 500001011
Price: $790.00 (USD) 
Quantity:   
Supersprint Turbo Cat-less Downpipe - 118mm Inlet - F30 335i, F32 435i, F22 M235i

Free ground shipping! 

Eliminate the biggest restriction in the 235/335/435 exhaust by deleting the primary catalytic converter. On a track car, cats are no longer needed or wanted. They rob the turbo engine of power and torque, contribute excessive heat build-up, and lead to a total blockage if the catalytic material fails. This Supersprint cat-less downpipe solves all of that by having no restrictions through its oversized 80mm diameter piping. Special software, or stand-alone engine management, will be required to keep emissions fault codes and check engine lights from appearing.

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 system because every aspect is done to such a high level. A Supersprint exhaust rewards you with a terrific sound, long lasting construction and excellent fitment. The Supersprint sound is very 'European' which fits the sporting sophistication of BMWs perfectly. Most systems are also modular - sections can be added or removed to custom tailor the exhaust sound to your preferance. Aside from 'Race' systems, their mufflers meet European noise laws so you get a refined and tuned sound without being excessively loud. 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!

 

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 TMS. You can download the waiver here.

 

 

This item fits the following BMWs:
2014+ F22 BMW M235i
2012+ F30 BMW 335i 335i xDrive - Sedan
2013+ F32 BMW 435i 435i xDrive - Coupe
2013+ F33 BMW 435i Convertible 435i xDrive Convertible- Convertible
2014+ F34 BMW 335i xDrive GT - Gran Tourismo
2014+ F36 BMW 435i Gran Coupe 435i xDrive Gran Coupe
2016+ F87 BMW M2
Left Hand Drive ONLY

Part #: 988611KT
Price: $636.95 (USD) 
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Quantity:   
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