Everything necessary to upgrade your stage-3 RS caliper 365mm kit to the stage-4 380mm kit.
10X Entries Into Our F80 M3 Sweepstakes For customers with existing 365mm ECS Stage 3 Brake Kit with Audi RS5 Calipers
Brand:
ES#:
3221135
Mfg#:
003883ECS01KTKT4
Ships on Mar 18, 2027
ON SALE!
$1676.99
This product was last offered at the strikethrough price on 06-13-2026
If you desire the ultimate in shifting, the JH Motorsports B5 S4, C5 A6-allroad and B5 Passat Early Style Solid Short Throw Shifter is the perfect solution!
*For early style shifters - Please see shifter comparison links in product description*
Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty!
10X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
Unlock the full potential of your 8Y RS3 with Unitronic’s cutting-edge performance software!
8Y.2 2025+ model years will require sending in your ECU for unlocking to be performed.
Upgrade to a better strut mount without sacrificing comfort! Improve longevity and ride control all at once. Includes ECS strut mounts, bearings and hardware.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
3090386
Mfg#:
1J0412331CKT1
In Stock
ON SALE!
$87.41
This product was last offered at the strikethrough price on 08-31-2026
Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware
10X Entries Into Our F80 M3 Sweepstakes Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Brand:
ES#:
3247798
Mfg#:
5304988002526KT
Ships in 1 Business Day
$3214.00
This product was last offered at the strikethrough price on 06-19-2026
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.
Lifetime Replacement
