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Audi A4 Performance Engine Parts

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Cat-Back Exhaust System

ES#4004062 - CTS-EXH-CB-0019 - Cat-Back Exhaust System - 3.0" tig welded T304 stainless steel with dual 4.0" polished stainless tips - CTS - Audi

3.0" tig welded T304 stainless steel with dual 4.0" polished stainless tips For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
CTS - Corporate Logo
ES#:
4004062
Mfg#:
CTS-EXH-CB-0019
Ships in 7 Business Days
$1199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Track Density Motor Mount - Priced Each

ES#3183373 - 034-509-0007-TD - Density Line Track Density Motor Mount - Priced Each - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts

Brand:
034Motorsport - Corporate Logo
ES#:
3183373
Mfg#:
034-509-0007-TD
Ships in 3 Business Days
ON SALE! SAVE 10%
$132.00

This product was last offered at the strikethrough price on
08-17-2026

$118.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SP Series Cold Air Intake - Polished

ES#3086222 - SP3080P - SP Series Cold Air Intake - Polished - Better airflow for more power - Injen - Audi

Better airflow for more power CARB certified for sale in all 50 states

Brand:
Injen - Corporate Logo
ES#:
3086222
Mfg#:
SP3080P
EO#:
D-476-8
In Stock at Vendor
$471.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Atmospheric Blow Off Valve Spacer - Polished

ES#1832412 - FMDV14T - Atmospheric Blow Off Valve Spacer - Polished - Direct bolt on without worry of a check-engine light - Forge - Audi Volkswagen

Direct bolt on without worry of a check-engine light For vehicles with plastic intake manifolds

Brand:
Forge - Corporate Logo
ES#:
1832412
Mfg#:
FMDV14T
Back Ordered
$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Resonated

ES#2827376 - SSXAU249 - Cat-Back Exhaust System - Resonated - 2.76" stainless steel with quad GT100 polished tips - Milltek Sport - Audi

2.76" stainless steel with quad GT100 polished tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827376
Mfg#:
SSXAU249
Ships in 3 Business Days
$2310.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger

ES#4135253 - GRT-TBO-K51 - Garrett GEN2 GTX3076R Dual Ball Bearing turbocharger - Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). - ATP - Audi Volkswagen

Garrett GEN2 GTX3076R dual ball bearing turbocharger with a T04E frame (4" inlet and 2" outlet compressor housing) and a .61 A/R Divided (Twin-scroll) V-Band Inlet and GT 3" V-Band outlet turbine housing (Ni-Resist Material). Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc

Brand:
ATP - Corporate Logo
ES#:
4135253
Mfg#:
GRT-TBO-K51
Ships in 6 Business Days
$2265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hemi Throttle Body - 80mm

ES#3957096 - 53032801AC - Hemi Throttle Body - 80mm - Direct plug and play - Mopar - Audi Volkswagen

Direct plug and play Requires Hemi adapter or Intake Manifold for 80mm throttle body

Brand:
Mopar - Corporate Logo
ES#:
3957096
Mfg#:
53032801AC
Ships in 4 Business Days
$449.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Throttle Body Hose

ES#3071902 - 017622ECS01A - Silicone Throttle Body Hose - Engineered to allow for maximum possible airflow - ECS - Audi

Engineered to allow for maximum possible airflow

Brand:
ECS - Corporate Logo
ES#:
3071902
Mfg#:
017622ECS01A
In Stock
ON SALE! SAVE 25%
$118.99

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

$89.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust - Semi Resonated

ES#4159848 - B9A4SEMIRESONATE - Cat-Back Exhaust - Semi Resonated - 2.76" stainless steel with your choice of tip style - Milltek Sport - Audi

2.76" stainless steel with your choice of tip style

Brand:
Milltek Sport - Corporate Logo
ES#:
4159848
Mfg#:
B9A4SEMIRESONATE
Ships in 3 Business Days
Starting at $2213.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2794491 - IERHVA2 - Forged H-Beam Connecting Rods - Set of 4 - Integrated Engineering - Audi Volkswagen

Set of 4
Drop-In rods for use with OEM pistons, or pistons with 19mm wrist pins

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794491
Mfg#:
IERHVA2
In Stock
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2793894 - IERHVT2 - Forged H-Beam Connecting Rods - Set of 4 connecting rods, to be paired with 21mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC) - Integrated Engineering - Audi Volkswagen

Set of 4 connecting rods, to be paired with 21mm wrist pin aftermarket pistons (JE, Wiseco, Mahle ETC)
To be used with aftermarket pistons with 21mm wrist pin only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2793894
Mfg#:
IERHVT2
Ships in 4 Business Days
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Let us help you find the parts that fit your Audi

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

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