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B9 (2016 - 2019)
Upgrade your vehicles performance with the Milltek Large Bore Downpipe & Hi-Flow Cat for Audi B9 A4 2.0 Quattro Saloon & Avant. Milltek range of Hi-Flow Sports Cat Downpipes are manufactured using state of the art equipment and designed to imrpove gas flow and increase efficiency.
Requires Stage 2 ECU Software
Fits both OE and MIlltek Cat Back SystemsView More
Upgrade your vehicles performance with the Milltek Large Bore Downpipe & Hi-Flow Cat for Audi B9 A4 2.0 Quattro Saloon & Avant. Milltek range of Hi-Flow Sports Cat Downpipes are manufactured using state of the art equipment and designed to imrpove gas flow and increase efficiency.
Requires Stage 2 ECU SoftwareFits both OE and MIlltek Cat Back Systems 
Enhance your Audi B9 A4 2.0 TFSI Quattro Saloon & Avant's performance and sound with the Milltek 2.75" Non-Resonated Cat-Back Exhaust System. Crafted from premium 304L stainless steel, this system offers a direct replacement for the stock exhaust, delivering improved exhaust flow and an aggressive tone.
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Enhance your Audi B9 A4 2.0 TFSI Quattro Saloon & Avant's performance and sound with the Milltek 2.75" Non-Resonated Cat-Back Exhaust System. Crafted from premium 304L stainless steel, this system offers a direct replacement for the stock exhaust, delivering improved exhaust flow and an aggressive tone.
Enhance your Audi B9 A4 2.0 TFSI Quattro Saloon & Avant's performance and sound with the Milltek 2.75" Resonated Cat-Back Exhaust System. Crafted from premium 304L stainless steel, this system offers a direct replacement for the stock exhaust, delivering improved exhaust flow and an aggressive tone.
View More
Enhance your Audi B9 A4 2.0 TFSI Quattro Saloon & Avant's performance and sound with the Milltek 2.75" Resonated Cat-Back Exhaust System. Crafted from premium 304L stainless steel, this system offers a direct replacement for the stock exhaust, delivering improved exhaust flow and an aggressive tone.
Enhance your Audi B9 A4 2.0 TFSI Quattro Saloon & Avant's performance and sound with the Milltek 2.75" Road+ Cat-Back Exhaust System. Crafted from premium 304L stainless steel, this system offers a direct replacement for the stock exhaust, delivering improved exhaust flow and an aggressive tone.
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Enhance your Audi B9 A4 2.0 TFSI Quattro Saloon & Avant's performance and sound with the Milltek 2.75" Road+ Cat-Back Exhaust System. Crafted from premium 304L stainless steel, this system offers a direct replacement for the stock exhaust, delivering improved exhaust flow and an aggressive tone.
4 of 4 Products
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Part# SSXAU744