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E9X M3 Supersprint Sport Catalytic Converters with Test Pipes are designed to replace the stock primary and secondary catalytic converters with high flow sport cats. With eliminating one set of cats and enlarging the piping the improved flow will increase performance and throttle response as well as increase sound and reduce weight. The straight-flow cat design allows much better flow than the stock cats, giving a significant horsepower and torque gain and a throaty sound. Removing the very restrictive primary cats results in a 25hp gain!
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:section 1 with metallic sport cats
requires:Supersprint section 2 x-pipe, p/n 980713
material:T304 stainless steel
Fitment Note: These sport cats were designed to be used only with the Supersprint section 2 x-pipe (p/n 980713) and Supersprint rear mufflers. Custom fabrication by an exhaust professional will be required to use these without the Supersprint exhaust sections. These cats include post-cat O2 sensor ports allowing for a complete installation by extending your original post-cat O2 sensors to the new location. Special Race software or module may still be required to keep the SES light and fault codes from appearing.
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:
2008-2011 E90 BMW M3 - Sedan
2008-2013 E92 BMW M3 - Coupe
2008-2013 E93 BMW M3 - Convertible
| section: | section 2 |
| required: | Supersprint section 1; Supersprint mufflers |
| material: | T304 stainless steel |
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The Supersprint Crossover Pipe will delete the rear resonator ahead of the rear mufflers. By removing the resonator, you can get more volume and growl from your exhaust as well as decrease exhaust restriction for slightly better power and torque. Deleting resonators makes a small but noticeable increase in overall volume so it's recommended that this is done after changing or removing mufflers. This x-pipe fits in section 2 of the exhaust - after the factory secondary cat section and before the rear mufflers. It's a direct install with Supersprint mufflers but any other set of mufflers may require custom professional installation to achieve a perfect fit.
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:section 2 resonator delete
connects to:stock section 1 catalytic converters; Supersprint rear mufflers or custom mufflers
material:T304 stainless steel
This item fits the following BMWs:
2007-2010 E90 BMW 335i 335xi 335i xDrive - Sedan
2007-2010 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
This product was last offered at the strikethrough price on
06-29-2026
This product was last offered at the strikethrough price on
06-29-2026
| section: | section 2 resonator delete |
| connects to: | stock section 1 catalytic converters; Supersprint rear mufflers or custom mufflers |
| material: | T304 stainless steel |
Free ground shipping!
Many people know that one of the main keys to getting power from a turbo is to open up the exhaust. Larger piping and less restrictions mean the exhaust gas can flow more easily which is less work for the turbo(s) and engine and that frees up torque and horsepower. These 100-cell metallic sport cats sit in oversized 60-65mm piping and are perfect for someone who installed cat-less downpipes but want some catalytic action on the exhaust to avoid bad smells and pollution. There are no crushed sections in the tubing, unlike the factory system, which contributes to improved flow. These are a direct replacement for the stock secondary cats and bolt to the turbo downpipe. At the back end these are clamped to a section 2 (stock or Supersprint X-Pipe).
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:sectiopn 1 metallic sport cats
connects to:downpipe; section 2
material:100-cell metallic cats, T304 stainless steel piping
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:
2007-2011 E90 BMW 335i 335xi 335i xDrive - Sedan
2007-2013 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
2007-2013 E93 BMW 335i - Convertible
Free ground shipping!
Supersprint sport cats for the E82 and E90/E92 are designed to work with their cat-less headers. The Supersprint sport cats are much freer-flowing than a traditional stock cat. With less restriction, less effort is required to move the exhaust gasses which will free up horsepower and torque. This cat section will mount to the Supersprint headers (p/n 789001) and then to connecting pipes for whichever section 2 you are using (p/n 789022). This section is built with O2 sensor bungs pre-installed after the cat if you wanted to extend your stock post-cat O2 sensors (however, special software may still be needed).
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:section 1 with metallic sport cats
connects to:Supersprint headers; stock or Supersprint section 2
material:T304 stainless steel
E9X requires:Supersprint connecting pipes to section 2, p/n 789022
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:
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
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.