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Audi B8 RS5 4.2L

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Audi B8 RS5 4.2L Performance Parts & Upgrades

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Audi Thrust Arm Monoball Upgrade Kit - Front Lower, Inner

ES#4389692 - 006418la01KT - Audi Thrust Arm Monoball Upgrade Kit - Front Lower, Inner - Eliminate deflection caused by stock rubber bushings! - ECS - Audi

Eliminate deflection caused by stock rubber bushings! 10X Entries For Our 25th Anniversary Sweepstakes!

For the curved control arm

Brand:
ECS - Corporate Logo
ES#:
4389692
Mfg#:
006418LA01KT
In Stock
ON SALE! SAVE 15%
$438.99

This product was last offered at the strikethrough price on
06-13-2026

$373.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet X-Brace - Red - Audi B8

ES#4220371 - 004802LA01AKT4 - Billet X-Brace - Red - Audi B8 - Improve steering feel and handling! - ECS - Audi

Improve steering feel and handling! 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Pre-Facelift models up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
4220371
Mfg#:
004802LA01AKT4
Ships in 1 Business Day
ON SALE! SAVE 25%
$483.99

This product was last offered at the strikethrough price on
06-13-2026

$362.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Mirror Cap Set - Audi B8 A4/A5/S4/S5

ES#2816885 - 010257ECS03KT - Carbon Fiber Mirror Cap Set - Audi B8 A4/A5/S4/S5 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with lane change assist

Brand:
ECS - Corporate Logo
ES#:
2816885
Mfg#:
010257ECS03KT
In Stock
ON SALE! SAVE 12%
$381.99

This product was last offered at the strikethrough price on
07-15-2026

$334.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Conical Seat Stud Conversion Kit

ES#2804053 - 001467ECS01KT2 - Conical Seat Stud Conversion Kit - Make wheel changes faster and easier - ECS - Audi Volkswagen

Make wheel changes faster and easier 10X Entries For Our 25th Anniversary Sweepstakes!
For use with conical seat wheels and up to 20mm spacers only

Brand:
ECS - Corporate Logo
ES#:
2804053
Mfg#:
001467ECS01KT2
In Stock
ON SALE! SAVE 10%
$201.99

This product was last offered at the strikethrough price on
06-13-2026

$181.79 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Stainless Steel Valvetronic Catback Exhaust System

Gains of up to +17.8 horsepower with an additional +13.3 ft-lbs of torque with a legendary exhaust note!

Brand:
Armytrix - Corporate Logo
ES#:
3675762
Mfg#:
AUB8R-5
Ships on Sep 3, 2026
$5432.00 USD
Free Shipping

DRA Series Trak Spacers - 25mm (1 Pair) Black

ES#2731115 - 50556651SW - DRA Series Trak Spacers - 25mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz Porsche

Get that stance that you've been craving with these new spacers 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731115
Mfg#:
50556651SW
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$189.99

This product was last offered at the strikethrough price on
07-01-2026

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OE Sport Springs Set

ES#1303171 - 29061-2 - OE Sport Springs Set - Unrivaled comfort and performance. Average lowering of 0.9"F 0.8"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 0.9"F 0.8"R 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits Coupe models only

Brand:
H&R - Corporate Logo
ES#:
1303171
Mfg#:
29061-2
Ships in 3 Business Days
15% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$439.00

This product was last offered at the strikethrough price on
07-01-2026

$373.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.75" Performance Downpipe and X-Pipe Combo

ES#4046109 - RS5DPXP - 2.75" Performance Downpipe and X-Pipe Combo - For those who are not interested in a full exhaust system but want more performance and an exotic sound this is for you! - JH Motorsports - Audi

For those who are not interested in a full exhaust system but want more performance and an exotic sound this is for you!

Brand:
JH Motorsports - Corporate Logo
ES#:
4046109
Mfg#:
RS5DPXP
Ships in 1 Business Day
$1299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 15mm

ES#3618566 - 034-604-7005 - 034Motorsport Wheel Spacer Pair - 15mm - Designed to fit most Audi & Volkswagen vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi

Designed to fit most Audi & Volkswagen vehicles with a 66.6mm center bore and 5x112mm wheel bolt patterns.

Brand:
034Motorsport - Corporate Logo
ES#:
3618566
Mfg#:
034-604-7005
In Stock
$115.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear 2-Piece Scalloped Brake Rotors - Pair (330x22)

ES#3183422 - 018964ECS01KT - Rear 2-Piece Scalloped Brake Rotors - Pair (330x22) - Direct bolt-on upgrade to Tru-Float scalloped style rotors - ECS - Audi

Direct bolt-on upgrade to Tru-Float scalloped style rotors 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3183422
Mfg#:
018964ECS01KT
In Stock
ON SALE! SAVE 10%
$1417.99

This product was last offered at the strikethrough price on
06-13-2026

$1276.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camber Correcting Density Line Control Arm Kit - Front

Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. For vehicles with M14 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159575
Mfg#:
034-401-1054
Ships in 2 Business Days
$1276.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - 15mm (1 Pair)

ES#275 - 3055665 - DR Series Wheel Spacers - 15mm (1 Pair) - Get a new set of spacers and widen the stance of your vehicle - H&R - Audi Mercedes Benz MINI Porsche

Get a new set of spacers and widen the stance of your vehicle 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
275
Mfg#:
3055665
In Stock
14% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$119.99

This product was last offered at the strikethrough price on
05-12-2026

$102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 15mm Wheel Spacers - Pair (With Bolts)

ES#4042997 - EMD-SPACER15665B - EMD Auto 15mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042997
Mfg#:
EMD-SPACER15665B
In Stock
$110.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 12.5mm With Ball Seat Bolts

ES#2603075 - 002411ECS02AKT3 - Wheel Spacer & Bolt Kit - 12.5mm With Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603075
Mfg#:
002411ECS02AKT3
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$167.99

This product was last offered at the strikethrough price on
06-13-2026

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Trak Spacers - 20mm (1 Pair) Black

ES#2731059 - 40556654SW - DRA Series Trak Spacers - 20mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz Porsche

Get that stance that you've been craving with these new spacers 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731059
Mfg#:
40556654SW
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$159.99

This product was last offered at the strikethrough price on
07-01-2026

$143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2-piece Lightweight Rear Rotors (pair)

ES#4045889 - 1021x330x22RS5 - 2-piece Lightweight Rear Rotors (pair) - Shaves 4.5lbs of unsprung weight from the rear of your car while increasing braking performance. - JH Motorsports - Audi

Shaves 4.5lbs of unsprung weight from the rear of your car while increasing braking performance.

Brand:
JH Motorsports - Corporate Logo
ES#:
4045889
Mfg#:
1021X330X22RS5
Ships in 4 Business Days
$799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

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.

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