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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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Give your 1.8T the power and sound it deserves with the Untd. Performance 3″ Catless Downpipe. Designed for Audi A4 B5/B6 and VW Passat models equipped with the legendary 1.8T 20V engine, this high-flow upgrade removes factory restrictions and unlocks real performance gains. With a full 3” design and catless configuration, it delivers faster turbo response, increased horsepower, and a more aggressive exhaust tone—built for enthusiasts who demand more from their turbocharged setup.
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Unleash the full potential of your Audi A4 B7 2.0T with the Untd. Performance 3″ Catless Downpipe. Built for enthusiasts who demand more power, quicker spool, and an aggressive exhaust tone, this downpipe eliminates the factory catalytic converter and opens up the exhaust path with a full 3″ mandrel-bent design. Whether you’re daily driving or pushing hard on the dyno, this upgrade transforms your 2.0T into a sharper, more responsive machine.
A Stage 2 ECU tune is recommended for proper usage of this downpipe.
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Unleash the full performance potential of your Audi A4 or A5 B9 2.0T with the Untd. Performance 3″ Catless Downpipe. Designed to eliminate factory flow restrictions, this precision-engineered downpipe delivers massive improvements in exhaust velocity, turbo response, and power output—all while enhancing your exhaust note with a more aggressive, motorsport-inspired tone. Whether you’re building a street-tuned sleeper or a dedicated track machine, this is the essential first step in waking up your B9 2.0T.
A Stage 2 ECU tune is recommended for proper usage of this downpipe.
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Unleash hidden power and bring your 2.0T to life with the Untd. Performance 3″ Catless Downpipe for the Audi A4, A5, and Q5 (B8/B8.5 chassis). Designed to replace the restrictive factory downpipe, this high-flow, catless upgrade drastically improves exhaust flow, enhances turbo spool, and adds a more aggressive tone—giving your Audi a true performance edge both on the street and at the track.
A Stage 2 ECU tune is recommended for proper usage of this downpipe.
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- Increased air flow
- Powder Coated in Black With Wrinkles
- Can be used with OEM or the Untd. Performance intercooler
- 1/8” NPT Water/Meth injection port w/ plug
- Direct bolt-on installation
- Optimized flow geometry
- Includes all hardware necessary
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- Max Horsepower Capacity: 300-600hp
- Core Length: 22″
- Core Height: 16″
- Core Thickness: 2.5″
- Inlet: 2.30″ / Outlet: 2.60″
- End to End Length: approximately 40″
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- Reduced intake temperatures and air turbulence
- Increased air flow capacity
- Gains of up to 13 WHP and 10 Ft-Lbs WTQ (Stock Tuned)
- Up to 40% improved intercooler efficiency
- Reduced intake temps by as much as 65*F during solid state WOT loading
- Pressure drop reduced by 52%
- Cast aluminum intercooler end tanks