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Unleash the full fury of your Audi RS3 or TTRS 8V with the Untd. Performance 3″ Catless Downpipe, engineered for maximum flow, minimal restriction, and a spine-tingling exhaust note. Built for the DAZA/DNWA 2.5T 5-cylinder, this downpipe eliminates the factory bottleneck, allowing your turbo to spool faster, hit harder, and scream louder. Whether you’re going Stage 2 or building a track monster, this is the upgrade that brings your 5-cylinder to life.
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Unlock real-world power and turbo sound with the Untd. Performance 3″ Catless Downpipe for the VW Golf Mk8 1.4T. Built for the MQB platform, this downpipe removes factory restrictions and replaces them with a free-flowing, mandrel-bent 3″ stainless steel systemโmaximizing exhaust velocity and giving your turbo the room it needs to breathe. From faster spool to a deeper, more aggressive exhaust note, this is a must-have upgrade for performance-focused 1.4T drivers.
A Stage 2 ECU tune is recommended for proper usage of this downpipe.
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Maximize the performance of your Audi A3/S3 8V or VW Golf R Mk7/7.5 with the Untd. Performance 3″ Catless Downpipe. Designed for the powerful 2.0L EA888 TSI engine, this high-flow, catless downpipe eliminates the restrictive factory catalytic converter to dramatically improve exhaust flow, reduce turbo lag, and unleash the full potential of your engine. With an increased pipe diameter of 3″ and a catless configuration, this downpipe provides enhanced turbo efficiency, more immediate throttle response, and a more aggressive exhaust noteโperfect for enthusiasts looking to take their 2.0L turbocharged engine to the next level.
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Unlock the full potential of your VW Golf GTI MK7 or MK7.5 with the Untd. Performance 3″ Catless Downpipe. Engineered to maximize exhaust flow, reduce turbo lag, and amplify the signature turbocharged sound of the EA888 2.0T engine, this downpipe is a must-have for any serious GTI enthusiast. With its free-flowing, catless 3″ design, this performance upgrade is built for power, responsiveness, and that unmistakable GTI attitude.
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- Full stainless steel 304 material pipes
- With High Heat Shield
- Response at low engine speed range is improved significantly
- Sound is not much louder, but pithy
- Increases power with 40-140 hp
- High Flow Design Removes Unnecessary Restrictions
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This Untd. Performance Braided flex downpipe features 3″ tapered to 2.5″ piping to achieve horsepower gains across the entire RPM range on 2.7L Audi S4/RS4 (B5) and A6/Allroad (C5). Catalytic converter is removed to eliminate restrictions on exhaust flow.
The unique hybrid design of the inlet flanges enables direct bolt-on for stock K03 turbo, upgrade K04 turbo and custom built RS6 turbo. -
Boost power, throttle response, and exhaust flow on your VW Golf GTI or GLI MK7/MK7.5 with the Untd. Performance 3.5โ 200 Cell High-Flow Catted Downpipe. Designed for the EA888 Gen 3 2.0T engine, this premium stainless-steel downpipe improves turbo spool, deepens exhaust tone, and delivers significant performance gains โ all with a direct bolt-on fit and emissions-friendly 200-cell catalyst. Perfect for tuned and performance-focused builds.
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Maximize the performance of your Mercedes-Benz C63 AMG with the Untd. Performance 3.5โณ Catless Downpipe. Engineered for the M177 4.0L Bi-Turbo V8, this catless downpipe is designed to eliminate the restrictive factory catalytic converters, allowing for improved exhaust flow and reduced backpressure. With the larger 3.5โณ diameter, this downpipe ensures optimal turbo efficiency, quicker spool times, and a massive increase in horsepower and torqueโtransforming your W205 C63 AMG into a track-ready performance machine.
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Unlock the full power potential of your Mercedes-Benz C63 AMG with the Untd. Performance 3.5โณ Catless Downpipe with Shield. Specifically designed for the w205 M177 4.0L Bi-Turbo V8 engine, this high-performance downpipe eliminates the restrictive factory catalytic converters, allowing for increased exhaust flow, reduced backpressure, and quicker turbo spool. Paired with integrated heat shielding, this downpipe delivers not only improved performance but also enhances the driving experience with a more aggressive exhaust note and optimal engine temperatures.
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- Full stainless steel 304 material pipes
- Laser CNC cut head and exhaust flanges
- CNC cut three into one, precision slip fit collectors
- Mandrel bends
- Fully TIG welded
- Direct Bolt on to the left hand drive B8 3.0T S4 and S5
- Perfect fitment with both the factory and all cat back exhaust systems
ONLY FOR 3.0T TFSI SUPERCHARGED ENGINE
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Untd. Performance 4.5โณ Catless Downpipe BMW M240 M340i M440i – X5 40i xDrive G20 / G22 / G26 / G05
Elevate the performance of your BMW M240i, M340i, M440i, or X5 40i xDrive with the Untd. Performance 4.5โณ Catless Downpipe. Designed for the powerful B58 3.0L I6 turbo engine, this high-flow catless downpipe replaces the restrictive factory catalytic converters, significantly improving exhaust flow and turbocharger efficiency. The result is a marked increase in horsepower, faster turbo spool, enhanced throttle response, and a deeper, more aggressive exhaust note, making it the perfect upgrade for your BMW.
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Unlock the true performance potential of your BMW M240i, M340i, M440i, or 540i/740i xDrive with the Untd. Performance 4.5โณ Catless Downpipe. Designed for the B58 3.0L I6 turbo engine, this high-flow catless downpipe removes restrictive factory catalytic converters to improve exhaust flow, reduce backpressure, and enhance turbo efficiency. The result? Increased horsepower, quicker turbo spool, improved throttle response, and a more aggressive exhaust sound, making it the perfect performance upgrade for your F3X BMW.
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