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- High Quality Stainless Steel
- CNC Machined Flanges
- TIG Welded for Strength and Durability
- Clamps for Installation Included
- OEM Style Flex Pipe
- Perfect Fitment Guaranteed
- 3″ With reducer to fit stock or aftermarket catbacks
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Take your Audi A3, S3 8V or VW Golf R MK7/MK7.5 to the next level with the Untd. Performance 3.5″ Catless Downpipe, built for drivers who want maximum flow, maximum sound, and maximum performance. Designed for the 2.0L EA888 TSI engine, this downpipe delivers faster spool, bigger power gains, and a raw, turbocharged sound that sets your AWD hot hatch or sedan apart from the pack.
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Maximize the performance of your Mercedes-Benz C63 AMG with the Untd. Performance 3.5″ 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 3.5″ diameter, this downpipe ensures optimal turbo efficiency, quicker spool times, and a massive increase in horsepower and torque—transforming 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 3.5″ 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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Unleash the full power and performance of your BMW N55 engine with the Untd. Performance 4″ Catless Downpipe. Engineered specifically for the 2013-2018 M135i, M235i, M2, 335i, and 435i (F20/F21/F22/F30/F32/F33/F87), this high-flow downpipe upgrades your exhaust system with a full 4-inch diameter, designed to maximize power gains, improve turbo response, and deliver an aggressive exhaust tone. Whether you’re tuning for track performance or looking to enhance the driving experience on the street, this downpipe is the perfect solution.
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Elevate the performance of your BMW M240i, M340i, M440i, or X5 40i xDrive with the Untd. Performance 4.5″ 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 4.5″ 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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The Untd. Performance Air Cooler / Intercooler Kit for the Audi B9 RS4/RS5 2.9T EA839 is engineered for maximum cooling efficiency and reliability under high boost conditions. Featuring a high-capacity core and optimized flow design, it reduces intake air temperatures to maintain consistent power delivery. Built with premium materials for durability, this kit supports both stock and tuned applications. Perfect for enthusiasts seeking improved performance and heat management.
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Elevate your driving experience and awaken the true character of your Porsche 911 991.2 (3.0L Twin-Turbo Flat-6) with the Untd. Performance 200 Cell High-Flow Downpipe with Integrated Heat Shield. Designed for precision, built for power, and engineered for thrill-seekers, this high-performance downpipe brings sharper throttle response, enhanced turbo spool, and an intoxicating exhaust tone — all while preserving drivability and refinement.
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Unlock the true performance potential of your BMW B58-powered F20, F30, F31, F32, F33, F34, F36, G30, G11, and G12 models with the Untd. Performance Catless 4.5″ Downpipe. Designed for enthusiasts looking to enhance turbo efficiency, throttle response, and overall engine performance, this catless downpipe is engineered to maximize exhaust flow and reduce backpressure, making it the ideal upgrade for those seeking unfiltered power and performance gains.
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Elevate your BMW’s performance to extraordinary levels with the Untd. Performance Catless Downpipe. Specifically designed for the high-performance N63R engine found in the BMW M850i G14/G15/G16, X5M X5 G05, and M550i G30, this catless downpipe is engineered to unleash more power, sharper turbo response, and a spine-tingling exhaust note. By eliminating the restrictive factory catalytic converters, the Untd. Performance Catless Downpipe enhances the flow of exhaust gases, allowing your BMW to reach its full potential.
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