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Audi A4 Performance Engine Parts

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ES#8818 - DV100001 - Billet R1 Diverter Valve - Priced Each - Less maintenance, more boost - APR - Audi Volkswagen Porsche

Less maintenance, more boost Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
8818
Mfg#:
DV100001
In Stock
11% off MSRP

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

$328.99

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

$291.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794385 - IERHVA1 - Forged H-Beam connecting rods - 144x20mm forged H-beam rods from Integrated Engineering. - Integrated Engineering - Audi Volkswagen

144x20mm forged H-beam rods from Integrated Engineering. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
*To be used with aftermarket pistons with 20mm wrist pins*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794385
Mfg#:
IERHVA1
In Stock
$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#263801 - 204-3901 - Cylinder Head Bolt Set - High strength head bolts with a triple square head - ARP - Audi Volkswagen

High strength head bolts with a triple square head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM

Brand:
ARP - Corporate Logo
ES#:
263801
Mfg#:
204-3901
In Stock
$207.99

This product was last offered at the strikethrough price on
05-28-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4475341 - 012054LA61-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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4475341
Mfg#:
012054LA61-DRY
In Stock
ON SALE! SAVE 25%
$82.99

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

$62.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2794433 - IEFUVC1 - High Pressure Fuel Pump Upgrade Kit - Entry-level HPFP kit for builders who prefer to assemble their HPFP themselves. - Integrated Engineering - Audi Volkswagen

Entry-level HPFP kit for builders who prefer to assemble their HPFP themselves. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794433
Mfg#:
IEFUVC1
In Stock
$419.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3557326 - 021469ecs01aKT -  High Flow Charge Pipe Kit - Increase intake air flow with our high flow charge pipes for your OEM intercooler! - ECS - Audi

Increase intake air flow with our high flow charge pipes for your OEM intercooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with production date up through 2020

Brand:
ECS - Corporate Logo
ES#:
3557326
Mfg#:
021469ECS01AKT
In Stock
ON SALE! SAVE 25%
$378.99

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

$284.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2827420 - SSXAU296 -  Cat-Back Exhaust System - Resonated - 2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips - Milltek Sport - Audi

2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827420
Mfg#:
SSXAU296
Ships on Jul 23, 2026
ON SALE! SAVE 10%
$1685.99

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

$1516.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4475474 - 034-101-1017 - 034Motorsport Catch Can Kit - Keep your intake tract clean and carbon free - 034Motorsport - Audi

Keep your intake tract clean and carbon free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with metal intake manifold (Flex Fuel)
For vehicles with metal intake manifold (Flex Fuel)

Brand:
034Motorsport - Corporate Logo
ES#:
4475474
Mfg#:
034-101-1017
In Stock
ON SALE! SAVE 10%
$674.00

This product was last offered at the strikethrough price on
06-28-2026

$606.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3175270 - 251126R - Performance Stainless 2.5" Downpipe  - High flow, stainless downpipe kit to be used with factory exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with factory exhaust affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits manual transmission models only - To be used with factory exhaust

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175270
Mfg#:
251126R
Ships in 3 Business Days
$286.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4642790 - TTE10029 - TTE440L Turbo Upgrade - B9 A4/A5 2.0T - Designed to put out over 370HP! - The Turbo Engineers - Audi

Designed to put out over 370HP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4642790
Mfg#:
TTE10029
In Stock
$2999.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2770217 - ctsb7fmickit - CTS Turbo Front Mount Intercooler Kit (600HP) - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
2770217
Mfg#:
CTSB7FMICKIT
Ships in 7 Business Days
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4017429 - 019216ECS02 - Silicone Turbo Inlet Hose - Flexible silicone smooths the intake tract & provides unimpeded airflow. The ultimate in looks and durability! - ECS - Audi

Flexible silicone smooths the intake tract & provides unimpeded airflow. The ultimate in looks and durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Does not fit models equipped with a MAF sensor (DBPA or DPAA engine codes) - Please verify prior to order

Brand:
ECS - Corporate Logo
ES#:
4017429
Mfg#:
019216ECS02
In Stock
ON SALE! SAVE 25%
$96.99

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

$72.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3508315 - MAHFSI197799948 - Mahle PowerPak Piston Set - 82.5mm Bore - Forged alloy pistons - 82.5mm Bore (stock), 20mm wrist pins, 9.0:1 compression ratio - Integrated Engineering - Audi Volkswagen

Forged alloy pistons - 82.5mm Bore (stock), 20mm wrist pins, 9.0:1 compression ratio affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3508315
Mfg#:
MAHFSI197799948
Ships in 3 Business Days
$839.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3194688 - 019205ecs01KT -  Performance Baffled Oil Catch Can System - Keep your intake tract clean and carbon free - ECS - Audi

Keep your intake tract clean and carbon free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3194688
Mfg#:
019205ECS01KT
In Stock
ON SALE!
$616.99

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

$586.14 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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