Features lightweight, CNC-machined 8-piston brake calipers with 390x34mm 2-piece rotors, reducing unsprung weight while enhancing brake cooling and longevity.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4842887
Mfg#:
034-301-0003-NKL
Ships in 3 Business Days
ON SALE!
SAVE 10%
$4563.00
This product was last offered at the strikethrough price on 06-28-2026
Features lightweight, CNC-machined 8-piston brake calipers with 390x34mm 2-piece rotors, reducing unsprung weight while enhancing brake cooling and longevity.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4842885
Mfg#:
034-301-0003-RED
Ships in 3 Business Days
ON SALE!
SAVE 10%
$4407.00
This product was last offered at the strikethrough price on 06-28-2026
Reduces rotational weight by 1.6lbs on each corner and increases rotor diameter from 330mm to 370mm!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5374285
Mfg#:
034-301-2015-BLK
Ships in 3 Business Days
ON SALE!
SAVE 10%
$1128.00
This product was last offered at the strikethrough price on 06-28-2026
Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4846365
Mfg#:
034-509-0095
Ships in 3 Business Days
ON SALE!
SAVE 10%
$677.00
This product was last offered at the strikethrough price on 06-28-2026
Features lightweight, CNC-machined 8-piston brake calipers with 390x34mm 2-piece rotors, reducing unsprung weight while enhancing brake cooling and longevity.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4842886
Mfg#:
034-301-0003-BLK
Ships in 3 Business Days
ON SALE!
SAVE 10%
$4407.00
This product was last offered at the strikethrough price on 06-28-2026
Unleash up to 357HP/396TQ by transforming your Audi B9 A4/A5 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Dyno tested and produced significant power increases of +23 HP / +28 lbs. x ft. torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Allow your B9 Audi to sit on the ground!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with 48.5mm front lower mounts
Choose your struts, management, tank option and more
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with 53mm front lower mounts
Choose your struts, management, tank option and more
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with 53mm front lower mounts
B8 Performance Plus dampers paired with H&R Sport Springs
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with sport suspension and without electronic suspension (49mm diameter strut)
Features CAN-Bus connectivity for more advanced tuning — gain up to 30whp and 45lb-ft. of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. Fits 190hp models only
Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of +/-3.00 Degrees
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For coupe models only
Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5375239
Mfg#:
IESUCZ3
Ships in 5 Business Days
ON SALE!
SAVE 10%
$459.99
This product was last offered at the strikethrough price on 06-25-2026
Flow without limits: The ultimate bolt-on upgrade for Audi B9 power, sound, and reliability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5457149
Mfg#:
IETPCK7
Ships in 5 Business Days
ON SALE!
SAVE 10%
$379.99
This product was last offered at the strikethrough price on 06-25-2026
Direct bolt-in replacement with adjustable stiffness for reduced body roll and increased grip!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This front sway bar must be paired with the matching iE SQ5 Rear Sway Bar (IESUCZ3)
Brand:
ES#:
5375241
Mfg#:
IESUCZ1
Ships in 5 Business Days
ON SALE!
SAVE 10%
$459.99
This product was last offered at the strikethrough price on 06-25-2026
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.