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Audi B9 RS4 Performance Upgrades

The B9 RS4 brings Audi's RS performance philosophy into a practical estate body, pairing a 450-horsepower twin-turbo V6 with quattro all-wheel drive and a chassis tuned for both daily usability and genuine driving engagement. Exhaust upgrades, suspension lowering kits, and exterior styling components are popular choices for owners looking to sharpen the RS4's dynamic character and add a more aggressive presence to its understated factory appearance.

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  1. Performance 1 item
  2. Air Intakes 1 item

Curated Brands

3D Design
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akrapovic
a13 design technik brand
alpha-n performance brand
ams-performance
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boost-logic
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fabspeed brand
fi exaust brand
karbonius brand
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ghost motorsports brand
HRE wheels brand
IPE innotech brand
Kline innovation brand
larte design brand
Meisterschaft brand
Novitec brand
quicksilver-exhaust brand
Soul-Performance brand
Tillet Racing Seats brand
Venuum brand
VF-Engineering brand
Zacoe brand

Some of our Curated Brands may not have their products listed on the site, head over to the "Retail Support"  section, or if you are with a shop, the "Wholesale Support"  section, and let us know what upgrades you are after, and our specialists will help.