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Audi S4 Performance Forced Induction Parts

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CTS Turbo Supercharger Crank Pulley Upgrade - 187mm

ES#3438177 - CTS-HW-266-187 - CTS Turbo Supercharger Crank Pulley Upgrade - 187mm - 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 *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
3438177
Mfg#:
CTS-HW-266-187
Ships in 8 Business Days
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Upgrade Kit

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. Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
* Existing IE Dual Pulley Upgrade Required *

Brand:
Integrated Engineering - Corporate Logo
ES#:
3647325
Mfg#:
IEINCG3
In Stock at Vendor
$879.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 192mm

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 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 8 Business Days
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE710 Turbo Upgrade - B9 S4/S5/SQ5 3.0T

ES#4493300 - TTE10388 - TTE710 Turbo Upgrade - B9 S4/S5/SQ5 3.0T - Pair this with the Integrated Engineering or 034 Motorsports Stage 3 tune for 600+hp! - The Turbo Engineers - Audi

Pair this with the Integrated Engineering or 034 Motorsports Stage 3 tune for 600+hp! Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4493300
Mfg#:
TTE10388
In Stock
$7890.99

This product was last offered at the strikethrough price on
08-31-2026

$5938.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM RS6-RS Turbo Kit for 2.7T

ES#4046111 - RS6RSTK - JHM RS6-RS Turbo Kit for 2.7T - Introducing the RS6-RS turbochargers for your 2.7T from JHMotorsports! These are the most unique and budget-friendly, custom RS6 based turbochargers offered to date for the 2.7T engine! - JH Motorsports - Audi

Introducing the RS6-RS turbochargers for your 2.7T from JHMotorsports! These are the most unique and budget-friendly, custom RS6 based turbochargers offered to date for the 2.7T engine! *This is a custom installation procedure - Turbos only - Does not include couplers, clamps, inlets, bolt-up downpipe flange or hardware. See description

Brand:
JH Motorsports - Corporate Logo
ES#:
4046111
Mfg#:
RS6RSTK
Ships on Oct 1, 2026
$2699.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BOSS800 Hybrid Turbocharger

ES#5435523 - TR-2251 - BOSS800 Hybrid Turbocharger - Blending OEM drivability with Tier 1 supercar power. - CTS - Audi

Blending OEM drivability with Tier 1 supercar power.

Brand:
CTS - Corporate Logo
ES#:
5435523
Mfg#:
TR-2251
Ships in 8 Business Days
$2499.99 USD
Free Shipping

Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T

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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2836833
Mfg#:
000931ECS02AKT
In Stock
ON SALE! SAVE 15%
$252.99

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

$215.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Turbocharger Installation Kit

ES#4736499 - 06M133026AKT - Ultimate Turbocharger Installation Kit - All hardware required for a successful install utilizing genuine components. - Assembled By ECS - Audi

All hardware required for a successful install utilizing genuine components. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4736499
Mfg#:
06M133026AKT
Ships in 10 Business Days
ON SALE!
$238.99

This product was last offered at the strikethrough price on
04-15-2026

$237.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR 3.0 TFSI Ultracharger System

ES#3219160 - MS100128 - APR 3.0 TFSI Ultracharger System - Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI - APR - Audi

Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI Call In Or Chat For Best Price!
APR’s Ultracharger ECU Upgrade is included for those who currently have an APR Stage 2 ECU Upgrade. APR

Brand:
APR - Corporate Logo
ES#:
3219160
Mfg#:
MS100128
Back Ordered
11% off MSRP

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

$1068.99

This product was last offered at the strikethrough price on
09-16-2026

$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Inlet Kit - Silicone - Audi B8 S4/S5 3.0T

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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3170829
Mfg#:
007344ECS01KT2
In Stock
ON SALE! SAVE 25%
$167.99

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

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Silicone Intercooler Hose Set

ES#3432231 - 034-145-A003 - Performance Silicone Intercooler Hose Set - Replace your failure-prone factory rubber hoses with boost-friendly silicone! - 034Motorsport - Audi

Replace your failure-prone factory rubber hoses with boost-friendly silicone! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3432231
Mfg#:
034-145-A003
In Stock
$234.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers - Complete Kit

ES#3658989 - 53049880025/26KT - RS4 K04 Turbochargers - Complete Kit - Comprehensive kit includes the left & right side RS4 K04 turbochargers, 034Motorsport RS4 Inlet Pipe set, and associated installation hardware - Assembled By ECS - Audi

Comprehensive kit includes the left & right side RS4 K04 turbochargers, 034Motorsport RS4 Inlet Pipe set, and associated installation hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3658989
Mfg#:
53049880025/26KT
Ships in 3 Business Days
$3718.00

This product was last offered at the strikethrough price on
06-19-2026

$3715.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Systems B9 S4/S5 3.0T Stage 2 Hybrid Turbocharger (650+ HP)

The Turbo Systems hybrid turbocharger is an original turbocharger that has been reworked to suit larger compressor and turbine wheels, along with a ball bearing cartridge.

Brand:
Emmanuele Design - Corporate Logo
ES#:
4415834
Mfg#:
TSH55TFSI-STG2
Ships in 2 Business Days
$3499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers With Install Kit

ES#3247798 - 5304988002526KT - RS4 K04 Turbochargers With Install Kit - Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware - Assembled By ECS - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware 10X Entries Into Our F80 M3 Sweepstakes
Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
Assembled By ECS - Corporate Logo
ES#:
3247798
Mfg#:
5304988002526KT
Ships in 3 Business Days
$3214.00

This product was last offered at the strikethrough price on
06-19-2026

$3211.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 K04 Turbochargers

ES#4164822 - 5304988002526KT3 - RS4 K04 Turbochargers - Includes the left (K04-025) & right (K04-026) side turbochargers - BorgWarner - Audi

Includes the left (K04-025) & right (K04-026) side turbochargers Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:
BorgWarner - Corporate Logo
ES#:
4164822
Mfg#:
5304988002526KT3
Ships in 3 Business Days
$3070.99

This product was last offered at the strikethrough price on
07-02-2026

$3067.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Forced Induction Parts

All things forced induction are here! Turbochargers, superchargers, turbo inlets, charge pipes, and more can be found here to replace faulty components or upgrade for more boost.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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