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- Untd. Performace Catless Downpipe - Audi A3 2.0T TT Mk2 - VW GOLF 2.0T MK5 MK6
- Untd. Performance Catless After Downpipe - Porsche Panamera 971 2.9T 2018
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Strike the perfect balance between performance and drivability with the Untd. Performance 200 Cell High-Flow Catted Downpipe w/ Heat Shield for the Audi C8 RS6 and RS7. Designed for enthusiasts who want serious gains without going fully catless, this downpipe replaces the factory units with ultra-efficient 200 cell high-flow catalytic converters—delivering major improvements in flow, sound, and power while maintaining a more refined tone and improved emissions compatibility.
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Give your Porsche 911 (991.2) 3.0L Twin-Turbo Flat-6 the power, sound, and response it was meant to have with the Untd. Performance 200 Cell High-Flow Downpipe with Integrated Heat Shield. Designed to drastically improve exhaust flow while managing heat and preserving drivability, this premium upgrade unlocks hidden horsepower, sharper throttle response, and an intoxicating exhaust note — all while maintaining emissions-friendly performance.
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- One Piece – 100% Mandrel Bent and TIG welded
- 200 Cell – High Flow Cat
- With Heat Shield
- Constructed of top quality 304 Stainless Steel
- Bolt-on installation
- Includes Gaskets & Bolts
- Improved exhaust note
- Improved exhaust flow
- Increased HP and Torque
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If you’re serious about power, sound, and turbo response, the Untd. Performance 3.5″ Catless Downpipe is the ultimate exhaust upgrade for your Audi RS3 or TTRS 8V. Designed for the EA855 2.5T (DAZA/DNWA) engine, this monster 3.5” catless downpipe is built to remove restriction, reduce backpressure, and give your 5-cylinder the voice — and performance — it truly deserves. Whether you’re pushing Stage 2 or going all-out with a big-turbo setup, this is the foundation of a proper high-boost build.
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Take your VW Golf GTi MK7/MK7.5 2.0T to the next level with the Untd. Performance 3.5″ Catless Downpipe. Designed for serious enthusiasts who want to unlock maximum turbo performance and a more aggressive exhaust sound, this downpipe replaces the restrictive factory catalytic converter with a high-flow, straight-through design. The 3.5″ diameter piping allows for improved exhaust flow, reducing backpressure and turbo lag while increasing power across the rev range. If you’re looking to elevate your Golf GTi’s performance for both street and track use, this catless downpipe is the perfect upgrade.
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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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The Untd. Performance 3.5″ Catted Downpipe for Audi A3/S3 8V 2.0T and VW Golf R Mk7 is a premium performance upgrade designed to maximize the capabilities of your turbocharged engine. This downpipe features a high-flow catalytic converter, optimizing exhaust flow while maintaining emissions compliance, making it an essential modification for enthusiasts seeking enhanced performance without sacrificing legality.
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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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The Untd. Performance 3.5-Inch Catless Downpipe for the Mercedes-Benz AMG W205 C63 is a high-performance upgrade designed to maximize exhaust flow and unleash the full potential of your vehicle. This catless downpipe is engineered to deliver significant gains in horsepower and torque, providing an exhilarating driving experience.
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The Untd. Performance 3.5-Inch Catless Downpipe for the Mercedes-Benz AMG A45 and CLA45 (C177) is a high-performance upgrade designed to significantly enhance exhaust flow and maximize the power of your vehicle. This catless downpipe is engineered for enthusiasts seeking impressive gains in horsepower and torque, as well as an exhilarating driving experience.
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