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Audi B8/B8.5 S4 Quattro 3.0T Performance Engine & Drivetrain Parts

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ES#4491703 - IEBAVJ7 - IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm - Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley - Integrated Engineering - Audi

Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune

Brand:
Integrated Engineering - Corporate Logo
ES#:
4491703
Mfg#:
IEBAVJ7
In Stock
$497.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2992519 - 008288ECS01 -  Front Position Rear Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992519
Mfg#:
008288ECS01
In Stock
ON SALE! SAVE 40%
$93.99

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

$56.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3579697 - CI100037 - APR Open Carbon Fiber Intake System - APR's ultimate intake system for the 3.0 TFSI - APR - Audi

APR's ultimate intake system for the 3.0 TFSI 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#:
3579697
Mfg#:
CI100037
EO#:
D-782-8
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.

$633.99

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

$562.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4005444 - 034-145-Z045  -  3.0 TFSI Supercharger Crank Pulley Upgrade - 179mm - Increase supercharger rotational speed to provide more boost to your engine - 034Motorsport - Audi

Increase supercharger rotational speed to provide more boost to your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*

Brand:
034Motorsport - Corporate Logo
ES#:
4005444
Mfg#:
034-145-Z045
In Stock
$500.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3706798 - iesocgj2tcu - Pro IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable - Average gain of 121 horsepower and 92 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 121 horsepower and 92 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
For vehicles with DSG transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3706798
Mfg#:
IESOCGJ2TCU
In Stock
$1248.99 USD
Free Shipping
ES#4042975 - CTS-HW-266-192 - CTS Turbo Supercharger Crank Pulley Upgrade - 192mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Most Stage 2+ software tunes are compatible with this kit. Be sure to use the correct software for 192mm

Brand:
CTS - Corporate Logo
ES#:
4042975
Mfg#:
CTS-HW-266-192
Ships in 7 Business Days
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3170829 - 007344ECS01KT2 -  Supercharger Inlet Kit - Silicone - Audi B8 S4/S5 3.0T - Wire reinforced silicone smooths the intake tract & hinders collapsing. The ultimate in durability! - ECS - Audi
ECS Tuning recommends this product.

Wire reinforced silicone smooths the intake tract & hinders collapsing. The ultimate in durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3170829
Mfg#:
007344ECS01KT2
In Stock
ON SALE! SAVE 17%
$163.99

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

$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4845376 - 034-202-D003 - Bottom End Engine Upgrade Package - EA837 3.0T - Provides all of the key components needed to turn your Audi EA837 3.0T Engine into a bulletproof powertrain! - 034Motorsport - Audi

Provides all of the key components needed to turn your Audi EA837 3.0T Engine into a bulletproof powertrain! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4845376
Mfg#:
034-202-D003
Back Ordered
$4891.00

This product was last offered at the strikethrough price on
03-13-2026

$4804.00 USD
Free Shipping
ES#2652188 - 30102049 - Universal 16" Electric Fan - Black - 2024 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

2024 CFM. High performance puller fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
2652188
Mfg#:
30102049
In Stock
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4431148 - SN0-211-BRD - Boost Cooler Stage 2.5 Progressive Water-Methanol Injection Kit - Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes 2.5 gallon tank, stainless steel braided line, 4AN fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4431148
Mfg#:
SN0-211-BRD
In Stock at Vendor
$909.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2836833 - 000931ecs02aKT -  Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T - Replace the accordion throttle body hose with a smooth carbon fiber tube - ECS - Audi

Replace the accordion throttle body hose with a smooth carbon fiber tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2836833
Mfg#:
000931ECS02AKT
In Stock
ON SALE! SAVE 15%
$247.99

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

$210.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3647325 - IEINCG3 - Throttle Body Upgrade Kit - Remove the final power restriction on your 3.0T with an over 20% higher flowing throttle body, fully releasing the complete power potential from your factory supercharger. - Integrated Engineering - Audi

Remove the final power restriction on your 3.0T with an over 20% higher flowing throttle body, fully releasing the complete power potential from your factory supercharger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
* Existing IE Dual Pulley Upgrade Required *

Brand:
Integrated Engineering - Corporate Logo
ES#:
3647325
Mfg#:
IEINCG3
In Stock
$879.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4821293 - 025510ECS01KT3 - Audi 3.0T Performance Overdrive Crank Pulley With ECS Performance Kevlar Reinforced Supercharger Belt - 187.3mm - For Use With Supercharger Pulley Upgrade - Spin the supercharger faster without affecting the accessory drive system - ECS - Audi Volkswagen Porsche

Spin the supercharger faster without affecting the accessory drive system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Appropriate stage 2 software is required for use

Brand:
ECS - Corporate Logo
ES#:
4821293
Mfg#:
025510ECS01KT3
Ships on Jun 29, 2026
Auto Notify
$399.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3677878 - 06E903137AB - Performance Kevlar Reinforced Supercharger Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677878
Mfg#:
06E903137AB
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2918376 - 003779ECS06KT - ECS Tuning Baffled Oil Catch Can Mounting Bracket Kit - Universal Fit - Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can - ECS - Audi BMW Volkswagen MINI

Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2918376
Mfg#:
003779ECS06KT
In Stock
ON SALE! SAVE 25%
$93.99

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

$70.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4046103 - PMPHX30T40T - Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Silver - Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. - JH Motorsports  - Audi

Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4046103
Mfg#:
PMPHX30T40T
Ships in 7 Business Days
$669.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

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