Bestsellers
Check out our bestselling products for your B9 A4 (2017-2023).
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Popular
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Unitronic UniConnect+ Programming Tool
$164.99(28) -
Popular
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Go Fast Bits DV+ Diverter Valve - T9351 (2.0T FSI & TSI Engines)
$147.60(60) -
Popular
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Integrated Engineering PowerLink Direct-Port Flash Tool
$179.99(6) -
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Modded Euros Germany Air Fresheners - 5 Pack
$9.99(15) -
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Modded Euros 6" Window Vinyl - White (Pair)
$4.99(4) -
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Unitronic Stage Badge
$16.49(1) -
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APR Secondary Air Breather Filter (CI100020-A)
$19.95(3) -
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Otis Inc 28mm Cone Seat Wheel Bolts - 5 bolts (14x1.5)
$10.00(1) -
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Go Fast Bits VTA Blow Off Valve (2.0T FSI & TSI Engines)
$198.00(13) -
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Otis Inc 27mm Ball Seat Wheel Bolts - Hollow Head - 5 bolts (14x1.5)
$9.49(2) -
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Modded Euros License Plate Frame
$5.95(1) -
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iABED Industries Billet Aluminum Rear Main Seal Upgrade - 2.0 TSI
$109.99 -
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Modded Euros Flight Tag Keychain - Red
$10.99(3) -
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APR 1.8T/2.0T EA888 Gen 3 Boost Tap
$79.95(1) -
On Sale
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Modded Euros Germany T-Shirt - White (S, M, L, XL, 2XL, 3XL)
$22.99$13.99 -
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Otis Inc 28mm Cone Seat Wheel Bolts - Black - 5 bolts (14x1.5)
$18.99(2) -
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Modded Euros Can Koozie
$4.00 -
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Modded Euros Flight Tag Keychain - Black
$10.99(1) -
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Unitronic Signature Badge
$16.49(1) -
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Modded Euros Lanyard Keychain - Black
$5.95(3) -
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APR Ignition Coil Kit - Red - 4 Pack
$179.80 -
Popular
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Go Fast Bits DV+ Diverter Valve - T9381 w/Pierburg Valve (2.0T FSI/TSI, ...
$242.10(60) -
Popular
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Integrated Engineering Chrome & Green Logo Badge
$14.99 -
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Modded Euros Wheel Hanger 14x1.5 (Audi/Volkswagen)
$12.99 -
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Liqui Moly Leichtlauf High Tech SAE 5W-40 Motor Oil (1 Liter) - 2331
$20.99(1) -
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H&R Sport Springs (17+ A4, 18+ S4)
$319.99(2) -
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Motul 5L 8100 X-Clean Engine Oil (505 01 502 00 505 00) - 5W40
$52.81 -
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Modded Euros Logo Beanie
$15.99(3) -
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APR Ignition Coil (Red)
$44.95 -
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Liqui Moly Leichtlauf High Tech SAE 5W-40 Motor Oil (5 Liter) - 2332
$63.99 -
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Otis Inc 40mm Cone Seat Wheel Bolts - 5 bolts (14x1.5)
$13.49 -
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Otis Inc 33mm Cone Seat Wheel Bolts - 5 bolts (14x1.5)
$10.99 -
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Otis Inc 30mm Cone Seat Wheel Bolts - 5 bolts (14x1.5)
$10.00 -
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APR Rear Wiper Delete Plug
$39.95 -
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Otis Inc 35mm Cone Seat Wheel Bolts - 5 bolts (14x1.5)
$13.49 -
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034Motorsport Street Density Transmission Mount Upgrade (09-20 A4, 10-20...
$42.00 -
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034Motorsport Billet Magnetic Oil Drain Plug Kit (Audi/VW w/Metal Oil Pan)
$21.00 -
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P3 Gauges Ethanol Sensor Voltage Adapter
$85.00 -
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IE Harsh Climate 5" Oiled Air Filter & Sock Upgrade Kit
$76.99 -
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GM/Continental Ethanol Content Sensor w/Harness
$100.00 -
On Sale
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Modded Euros German Eagle T-Shirt - Black (S, M, L, XL, 2XL)
$19.99$17.99(3) -
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Unitronic 3" Adjustable Link
$120.99 -
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Otis Inc 40mm Cone Seat Wheel Bolts - Black - 5 bolts (14x1.5)
$19.99 -
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Motul 1L 8100 X-Clean Engine Oil (505 01 502 00 505 00) - 5W40
$12.29 -
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43mm Ball Seat Wheel Bolts - 5 bolts (14x1.5)
$18.30(1) -
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2.0T MQB Ignition Upgrade Kit - APR Coils | Brisk ER12S Plugs - Red
$223.96 -
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Motul RBF 600 Synthetic Fluid Dot 4 Brake Fluid - 500ml
$19.84 -
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Modded Euros 8mm Wheel Spacers - Black (5x100/5x112/66.6)
$40.99 -
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Otis Inc R13 Ball Seat Stud Conversion Kit (14x1.5)
$127.98 -
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Modded Euros Flight Tag Keychain - Blue
$10.99 -
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APR Ignition Coil Kit - Blue - 4 Pack
$179.80 -
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Beru RS7 Spark Plugs - One Heat Range Colder - 4 Pack (Gen 3 1.8T | 2.0T)
$75.99 -
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Modded Euros 5mm Wheel Spacers - Black (5x100/5x112/66.6)
$40.99 -
Popular
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Modded Euros 13mm Wheel Spacers - Black (5x112 & 5X100 /66.6)
$45.99 -
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Otis Inc 45mm Cone Seat Wheel Bolts - 5 bolts (14x1.5)
$14.99 -
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Otis Inc 30mm Cone Seat Wheel Bolts - Black - 5 bolts (14x1.5)
$18.99 -
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Torque Solution Blow Off Valve Adapter (18-23 Atlas/Tiguan, 17-23 A4/A5/Q5)
$57.49 -
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32mm Ball Seat Wheel Bolts - 5 bolts (14x1.5)
$15.70 -
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K&N Replacement Air Filter (17+ A4, 18+ A5, 18+ Q5)
$83.99 -
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APR 37mm Ball Seat Wheel Bolts - Set of 10 (14x1.5)
$49.95 -
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APR 40mm Ball Seat Wheel Bolts - Set of 10 (14x1.5)
$49.95 -
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Liqui Moly Pro-Line Engine Flush - 500ml
$14.59 -
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034Motorsport Billet Aluminum Transmission Mount Insert (17+ A4/A4 allro...
$86.00 -
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Otis Inc 47mm Cone Seat Wheel Bolts - 5 bolts (14x1.5)
$15.99(1) -
Popular
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Integrated Engineering Cold Air Intake (17+ A4, 18+ A5)
$419.99 -
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H&R 37mm Ball Seat Wheel Bolts - Black - 5 bolts (14x1.5)
$34.99 -
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APR 45mm Ball Seat Wheel Bolts - Set of 10 (14x1.5)
$49.95 -
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H&R Sport Springs (17+ A4 allroad, 18+ A5/S5)
$284.99 -
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Liqui Moly 1L Molygen New Generation Motor Oil 5W-40
$20.49 -
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APR Iridium Pro Spark Plugs Heat Range 9 - 4 Pack (Gen 3/4 1.8T/2.0T )
$119.80 -
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Otis Inc 43mm Cone Seat Wheel Bolts - 5 bolts (14x1.5)
$16.49 -
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Otis Inc 33mm Cone Seat Wheel Bolts - Black - 5 bolts (14x1.5)
$19.49
