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Audi B9 S5 Quattro 3.0T Cabriolet

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Audi B9 S5 Quattro 3.0T Cabriolet Engine Parts & Accessories

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Performance Aluminum Charge Pipe Kit

ES#4685216 - IETPCK6 - Performance Aluminum Charge Pipe Kit - Eliminate factory bottlenecks and weak plastic materials for increased flow and strength. - Integrated Engineering - Audi

Eliminate factory bottlenecks and weak plastic materials for increased flow and strength. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4685216
Mfg#:
IETPCK6
In Stock
$447.99 USD
Free Shipping

IE Performance Cast Downpipe

ES#4473979 - IEEXCK3 - IE Performance Cast Downpipe - Features a TIG-welded 304 stainless and investment cast body and offers gains up to 45HP & 41TQ - Integrated Engineering - Audi

Features a TIG-welded 304 stainless and investment cast body and offers gains up to 45HP & 41TQ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4473979
Mfg#:
IEEXCK3
In Stock
$1099.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Synthoil Premium Engine Oil (5w-40) - 5 Liter

ES#258725 - 2041 - Synthoil Premium Engine Oil (5w-40) - 5 Liter - A fully synthetic oil specifically designed around the unique needs and long drain intervals of European engines - Liqui-Moly - Audi BMW Volkswagen

A fully synthetic oil specifically designed around the unique needs and long drain intervals of European engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
258725
Mfg#:
2041
In Stock
43% off MSRP

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

$81.95

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

$46.35 USD
Free Shipping
on orders $49 and up

Liqui Moly Top Tec - Oil Service Kit (0w-20)

ES#4659470 - 202361KT - Liqui Moly Top Tec - Oil Service Kit (0w-20) - Includes LiquiMoly Top Tec 6200 508.00/509.00 0W20 oil, Genuine Audi Filter, drain plug, and washer for a complete oil service - Assembled By ECS - Audi

Includes LiquiMoly Top Tec 6200 508.00/509.00 0W20 oil, Genuine Audi Filter, drain plug, and washer for a complete oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4659470
Mfg#:
202361KT
In Stock
ON SALE!
$120.99

This product was last offered at the strikethrough price on
03-09-2026

$114.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Performance High-Flow Air Intake System - 6" Velocity Stack

ES#4045629 - CTS-IT-290R - Performance High-Flow Air Intake System - 6" Velocity Stack - Designed to work in conjunction with the OEM air scoop to seamlessly force cold air into the system - Flowed through a massive 6" velocity stack filter! - CTS - Audi

Designed to work in conjunction with the OEM air scoop to seamlessly force cold air into the system - Flowed through a massive 6" velocity stack filter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4045629
Mfg#:
CTS-IT-290R
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$299.99

This product was last offered at the strikethrough price on
06-07-2026

$254.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 Luft-Technik Intercooler and Charge Pipe Kit

ES#3639384 - 023880ecs01akt1 - Audi B9 S4 Luft-Technik Intercooler and Charge Pipe Kit - Full kit to upgrade your charge pipes and front mount intercooler - ECS - Audi

Full kit to upgrade your charge pipes and front mount intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3639384
Mfg#:
023880ECS01AKT1
Ships on Sep 23, 2026
Auto Notify
ON SALE! SAVE 25%
$999.99

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

$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#3691957 - 06m905606fKT - Spark Plugs - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691957
Mfg#:
06M905606FKT
In Stock
$87.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Race Series FDS Intercooler System - B9/B9.5 S4/S5

ES#4698448 - IETPCK5 - IE Race Series FDS Intercooler System - B9/B9.5 S4/S5 - Increase horsepower and eliminate heatsoak - 280% larger than stock core! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - 280% larger than stock core! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Requires IE Aluminum Charge Pipe Kit for installation (ES4685216)

Brand:
Integrated Engineering - Corporate Logo
ES#:
4698448
Mfg#:
IETPCK5
In Stock
$1414.99 USD
Free Shipping

APR Iridium Pro Spark Plugs With Ignition Coils - Set Of 6

ES#4905912 - Z1004081W6ICKT - APR Iridium Pro Spark Plugs With Ignition Coils - Set Of 6 - Unleash Your Engine's Potential with APR - APR - Audi Porsche

Unleash Your Engine's Potential with APR 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#:
4905912
Mfg#:
Z1004081W6ICKT
In Stock
$460.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose/Turbo Inlet Manifold

ES#3678755 - 06M129041 - PCV Breather Hose/Turbo Inlet Manifold - Receiving an engine code calling out a boost leak, it may be your breather hose - Genuine Volkswagen Audi - Audi

Receiving an engine code calling out a boost leak, it may be your breather hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3678755
Mfg#:
06M129041
In Stock
7% off MSRP

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

$188.33

This product was last offered at the strikethrough price on
06-07-2026

$174.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FDS Front-Mount Intercooler Kit - Silver

ES#3470702 - IETPCK1 - FDS Front-Mount Intercooler Kit - Silver - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3470702
Mfg#:
IETPCK1
In Stock
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 (S4/S5/SQ5) – Pure750 Upgraded Turbocharger

ES#4642701 - PURE-30T750KT - Audi B9 (S4/S5/SQ5) Pure750 Upgraded Turbocharger - Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge. - Pure Turbos - Audi

Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pure Turbos - Corporate Logo
ES#:
4642701
Mfg#:
PURE-30T750KT
In Stock
$3426.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High Output Ignition Coils - Red - Set Of Six

ES#4620397 - 0341072012RED-6 - 034Motorsport High Output Ignition Coils - Red - Set Of Six - Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation - 034Motorsport - Audi Porsche

Plug-and-play upgraded coil pack featuring a CNC-machined heat sink for better heat dissipation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4620397
Mfg#:
0341072012RED-6
In Stock
$384.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Cat-Back Exhaust System - B9 S4/S5

ES#4901469 - CBK0012 - APR Cat-Back Exhaust System - B9 S4/S5 - Features TIG welded brushed T304 stainless steel construction and offers gains of 10 AWHP and 12 AWFT-LBS of torque - APR - Audi

Features TIG welded brushed T304 stainless steel construction and offers gains of 10 AWHP and 12 AWFT-LBS of torque 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#:
4901469
Mfg#:
CBK0012
Ships in 3 Business Days
35% off MSRP

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

$2049.99

This product was last offered at the strikethrough price on
04-22-2026

$1332.99 USD
Free Shipping

APR Iridium Pro Spark Plugs - Set Of 6

ES#4905816 - Z1004081X6KT - APR Iridium Pro Spark Plugs - Set Of 6 - Designed for high performance / tuned vehicle applications - APR - Audi Porsche

Designed for high performance / tuned vehicle applications 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#:
4905816
Mfg#:
Z1004081X6KT
In Stock
$153.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Red Top Ignition Coil (06H905110L) - Priced Each

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NFIS Original Equipment - Corporate Logo
ES#:
3646996
Mfg#:
06H905110L
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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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