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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 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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- 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
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- All channels are evenly flowed through funnels
- Noticeable increased power in the middle and upper speed range
- More torque compared to the original intake manifold
- Better engine response
- Increased cylinder filling due to special channel shape
- Stable wall thickness, therefore also suitable for very high charging pressures
- Plug & Play suitable, holes for sensors at the right position
- Very high quality processed and black powder-coated
- Complete kit with mounting material