Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

1973 Mercedes Benz 300SEL Base V8 4.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle 1973 Mercedes Benz 300SEL Base V8 4.5L
Your Vehicle 1973 Mercedes Benz 300SEL Base V8 4.5L
Change Clear

TOP ECS Products Audi B8/B8.5 A5

ECS loves helping you make your car all it can be, that’s why we’ve put all our top performance parts for your Audi together in one place. This list, compiled by our Audi B8/B8.5 A5 gurus and designed by our fantastic R&D team, is everything you need to outfit your car with all those goodies you’ve wanted for your build. Let’s make your summer even more fun with all the best ECS Performance parts for your Audi.


Top Products from ECS

Audi B8/B8.5 A5 Quattro 2.0T

‹ ›
ES#3138260 - 018641ECS01-01 - Billet Engine Oil Dipstick - Polished - A more durable and aesthetically pleasing addition to your engine bay - ECS - Audi
Billet Engine Oil Dipstick - Polished
A more durable and aesthetically pleasing addition to your engine bay
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3138260
Mfg#: 018641ECS01-01

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 25%
$99.99

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

$74.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3194672 - 018325ECS01KT2 - Silicone Charge Pipe Set - Includes oversized silicone pipes from the turbo outlet to the throttle body - ECS - Audi
Silicone Charge Pipe Set
Includes oversized silicone pipes from the turbo outlet to the throttle body
10X Entries For Our 25th Anniversary Sweepstakes!
For use with the OEM intercooler
Brand: ECS - Corporate Logo
ES#: 3194672
Mfg#: 018325ECS01KT2

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 20%
$293.99

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

$235.19 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1899278 - ecs41016/63 - Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit - Complete set of DOT-compliant lines for an improved pedal feel - ECS - Audi
ECS Tuning recommends this product.
Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit
Complete set of DOT-compliant lines for an improved pedal feel
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 1899278
Mfg#: ECS41016/63

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE
$216.98

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

$206.13 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2771104 - 003485ECS01AKT - Performance Lightweight Flywheel Kit - Stage 1 - ECS Lightweight Flywheel with the Spec Stage 1 clutch kit rated at 315ft/lbs - ECS - Audi
Performance Lightweight Flywheel Kit - Stage 1
ECS Lightweight Flywheel with the Spec Stage 1 clutch kit rated at 315ft/lbs
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2771104
Mfg#: 003485ECS01AKT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Nov 13, 2026
Auto Notify
On SALE
$2567.99

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

$2439.59 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3138259 - 018641ECS02-02 - Billet Engine oil Dipstick - black Anodized - A more durable and aesthetically pleasing addition to your engine bay - ECS - Audi
Billet Engine oil Dipstick - black Anodized
A more durable and aesthetically pleasing addition to your engine bay
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3138259
Mfg#: 018641ECS02-02

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 25%
$113.99

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

$85.49 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2603073 - 002411ECS02AKT2 - Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi
Wheel Spacer & Bolt Kit - 10mm With Ball Seat Bolts
Complete kit for two wheels, includes everything you need to install spacers
10X Entries For Our 25th Anniversary Sweepstakes!
Fits OE wheels, or wheels that use OE ball seat wheel bolts
Brand: ECS - Corporate Logo
ES#: 2603073
Mfg#: 002411ECS02AKT2

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Back Ordered
Auto Notify
On SALE
$140.99

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

$133.94 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748284 - 002411ECS02AKT6 - Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi
Wheel Spacer & Bolt Kit - 12.5mm With Black Ball Seat Bolts
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#: 2748284
Mfg#: 002411ECS02AKT6

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 25%
$224.99

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

$168.70 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
Wheel Spacer & Bolt Kit - 12.5mm With Ball Seat Bolts
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

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
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 Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748292 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi
Wheel Spacer & Bolt Kit - 20mm With Black Conical Seat Bolts
Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels
10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts
Brand: ECS - Corporate Logo
ES#: 2748292
Mfg#: 6-ECS-024

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 10%
$187.99

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

$169.19 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748282 - 002411ECS02AKT5 - Wheel Spacer & Bolt Kit - 10mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi
Wheel Spacer & Bolt Kit - 10mm With Black Ball Seat Bolts
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#: 2748282
Mfg#: 002411ECS02AKT5

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 15%
$173.99

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

$147.89 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3138261 - 018641ECS02-01 - Billet Engine Oil Dipstick - Polished - A more durable and aesthetically pleasing addition to your engine bay - ECS - Audi
Billet Engine Oil Dipstick - Polished
A more durable and aesthetically pleasing addition to your engine bay
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3138261
Mfg#: 018641ECS02-01

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 25%
$100.99

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

$75.74 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2628456 - 000690ECSBBKKT - Front Big Brake Kit - Stage 1 - 2-Piece Cross Drilled & Slotted Rotors (345x30) - Upgrade to the stopping power of the Audi S4/5 - ECS - Audi
Front Big Brake Kit - Stage 1 - 2-Piece Cross Drilled & Slotted Rotors (345x30)
Upgrade to the stopping power of the Audi S4/5
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2628456
Mfg#: 000690ECSBBKKT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Feb 11, 2027
Auto Notify
On SALE
$1303.99

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

$1238.79 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2568317 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi
Wheel Spacer & Bolt Kit - 20mm With Conical Seat Bolts
Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels
10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts
Brand: ECS - Corporate Logo
ES#: 2568317
Mfg#: 6-ECS-024

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships in 10 Business Days
On SALE Save 10%
$179.99

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

$161.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3612455 - 003251ecs01KT1 - ECS Tuning Ultimate Audi B8 Facelift Street Shield Kit - Get the ultimate under body protection for your B8! - ECS - Audi
ECS Tuning Ultimate Audi B8 Facelift Street Shield Kit
Get the ultimate under body protection for your B8!
10X Entries For Our 25th Anniversary Sweepstakes!
Fits B8.5 chassis from the 2013 model year with manual and DSG transmissions only
Brand: ECS - Corporate Logo
ES#: 3612455
Mfg#: 003251ECS01KT1

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 10%
$1086.99

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

$978.24 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3023205 - 009860ECS01 - Transmission Mount Bushing Insert Kit - Decrease transmission mount slop for better drivetrain response! - ECS - Audi Porsche
Transmission Mount Bushing Insert Kit
Decrease transmission mount slop for better drivetrain response!
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3023205
Mfg#: 009860ECS01

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 25%
$101.99

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

$76.49 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2189929 - 8K0301ASLGMTLRA - Front Slotted Brake Rotors - Pair (320x30) - (NO LONGER AVAILABLE) - Featuring GEOMET protective coating. - ECS -
Front Slotted Brake Rotors - Pair (320x30) - (NO LONGER AVAILABLE)
Featuring GEOMET protective coating.
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189929
Mfg#: 8K0301ASLGMTLRA
No longer available
ES#3575872 - 023409ECS01 - Audi Facelift B8.5 S5 / A5 S-Line Carbon Fiber Rear Diffuser - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi
Audi Facelift B8.5 S5 / A5 S-Line Carbon Fiber Rear Diffuser
Hand-laid carbon fiber to upgrade your exterior styling
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3575872
Mfg#: 023409ECS01

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 15%
$1050.99

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

$893.34 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2603081 - 002411ECS03AKT2 - Wheel Spacer & Bolt Kit - 15mm With Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi
Wheel Spacer & Bolt Kit - 15mm With Ball Seat Bolts
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#: 2603081
Mfg#: 002411ECS03AKT2

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 25%
$171.99

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

$128.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
This product has been superseded to ES#4668208
ES#2189936 - 8K0601BSLGMTLRA - Rear Slotted Brake Rotors - Pair (300x12) - (NO LONGER AVAILABLE) - Featuring GEOMET protective coating. - ECS -
Rear Slotted Brake Rotors - Pair (300x12) - (NO LONGER AVAILABLE)
Featuring GEOMET protective coating.
10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2189936
Mfg#: 8K0601BSLGMTLRA
No longer available

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings