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Audi B6 A4 FWD 1.8T Performance Engine Parts

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ES#4043061 - CTSEXHTP0002B6CA - CTS Turbo B6 A4 High-flow Cat Pipe  - Seamlessly fits in place of your restrictive stock cat - Features 3 stainless steel piping, smooth mandrel bends, and two 02 sensor bungs - CTS - Audi

Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs

Brand:
CTS - Corporate Logo
ES#:
4043061
Mfg#:
CTSEXHTP0002B6CA
In Stock
ON SALE! SAVE 10%
$249.99

This product was last offered at the strikethrough price on
07-10-2026

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
ES#4500516 - 30-3326 - AEM Water/Methanol Injection System - High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out - AEM Electronics  - Audi BMW Volkswagen MINI Porsche

High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out

Brand:
AEM Electronics  - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
In Stock at Vendor
11% off MSRP

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

$149.99

This product was last offered at the strikethrough price on
07-20-2026

$132.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
ES#3082307 - 96541025 - 265lph Fuel Performance Fuel Pump - Get the flow you need - 265lph - DeatschWerks - Audi Volkswagen MINI

Get the flow you need - 265lph This is Universal and Not a direct replacement for the Genuine Pump!

Brand:
DeatschWerks - Corporate Logo
ES#:
3082307
Mfg#:
96541025
In Stock at Vendor
$249.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794491 - IERHVA2 - Forged H-Beam Connecting Rods - Set of 4 - Integrated Engineering - Audi Volkswagen

Set of 4 5X Entries For Our 25th Anniversary Sweepstakes!

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

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794491
Mfg#:
IERHVA2
Ships in 4 Business Days
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3553217 - 54-10322KT - Pro 5 R Air Intake System - Stage 2 - Add real power that you can feel - AFE - Audi

Add real power that you can feel

Brand:
AFE - Corporate Logo
ES#:
3553217
Mfg#:
54-10322KT
Ships in 3 Business Days
$418.99

This product was last offered at the strikethrough price on
05-18-2026

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3624375 - ST-AIVN-1103 - Supertech Stainless Intake Valve - Priced Each  - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi Volkswagen

Standard sized valve head diameter, factory triple groove keeper setup *Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3624375
Mfg#:
ST-AIVN-1103
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2918544 - MAH-VM1028 - Mahle Motorsport Race Main Bearings - Set - Mahle Motorsport/Vandervell Race Main Bearing Set for VW/Audi 4 Cylinder - Mahle - Audi Volkswagen

Mahle Motorsport/Vandervell Race Main Bearing Set for VW/Audi 4 Cylinder

Brand:
Mahle - Corporate Logo
ES#:
2918544
Mfg#:
MAH-VM1028
In Stock
$218.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5444939 - CMBMVL027JG042 - Forged Piston And Connecting Rod Kit - For VW/Audi 1.8L 20V 81.5mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 81.5mm

Brand:
SPA Performance - Corporate Logo
ES#:
5444939
Mfg#:
CMBMVL027JG042
Ships in 3 Business Days
$949.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3604757 - 50-1000 - 340lph High Flow In-Tank Fuel Pump  - AEM?s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. - AEM Electronics  - Audi Volkswagen

AEM?s 340LPH High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. This is a general-use high flow fuel pump, not a direct plug-and-play swap in most applications

Brand:
AEM Electronics  - Corporate Logo
ES#:
3604757
Mfg#:
50-1000
In Stock at Vendor
11% off MSRP

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

$132.99

This product was last offered at the strikethrough price on
07-20-2026

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4461008 - 012054LA07-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - Audi

High flow filter replacement to get your engine breathing better than new! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4461008
Mfg#:
012054LA07-DRY
In Stock
ON SALE! SAVE 53%
$81.99

This product was last offered at the strikethrough price on
05-02-2026

$38.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5445183 - CMBMVL038JG046 - Forged Piston And Connecting Rod Kit - For VW/Audi 1.8L 20V 82mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 82mm

Brand:
SPA Performance - Corporate Logo
ES#:
5445183
Mfg#:
CMBMVL038JG046
Ships in 1 Business Day
$899.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2764104 - MM0CULTBK - Universal Oil Cooler - 19 Row, with Thermostat - Black - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764104
Mfg#:
MM0CULTBK
Ships in 3 Business Days
$599.99 USD
Free Shipping
on orders $49 and up
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.

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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