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Audi S4 Turbocharger Performance Parts

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High Flow Inlet Pipe

ES#4420002 - CTS-HW-380 - High Flow Inlet Pipe - The biggest issue with the restrictive factory inlet is apparent when you start to increase the power. CTS engineers designed the turbo inlet to be as large as possible; yet still fit perfectly. - CTS - Audi

The biggest issue with the restrictive factory inlet is apparent when you start to increase the power. CTS engineers designed the turbo inlet to be as large as possible; yet still fit perfectly.

Brand:
CTS - Corporate Logo
ES#:
4420002
Mfg#:
CTS-HW-380
Ships on Nov 24, 2026
ON SALE! SAVE 15%
$99.99

This product was last offered at the strikethrough price on
09-29-2026

$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Pipe Adapter Ring For TTE710 Hybrid Turbo

ES#4505517 - IEINCK4-12 - Turbo Inlet Pipe Adapter Ring For TTE710 Hybrid Turbo - This billet o ring sealed flange adapts your IE Turbo Inlet Pipe to a GT35R hybrid sized turbo with a 66mm inlet. - Integrated Engineering - Audi

This billet o ring sealed flange adapts your IE Turbo Inlet Pipe to a GT35R hybrid sized turbo with a 66mm inlet. This adapter ring is for IE B9 S4 & S5 3.0T Turbo Inlet Pipe only, will not work with other brand turbo inlets.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4505517
Mfg#:
IEINCK4-12
Ships in 1 Business Day
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Inlet Pipe Adapter Ring For GT35R Hybrid Turbo 66MM ID

ES#4505516 - IEINCK4-11 - Turbo Inlet Pipe Adapter Ring For GT35R Hybrid Turbo 66MM ID - This billet o ring sealed flange adapts your IE Turbo Inlet Pipe to a GT35R hybrid sized turbo with a 66mm inlet. - Integrated Engineering - Audi

This billet o ring sealed flange adapts your IE Turbo Inlet Pipe to a GT35R hybrid sized turbo with a 66mm inlet. This adapter ring is for IE B9 S4 & S5 3.0T Turbo Inlet Pipe only, will not work with other brand turbo inlets.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4505516
Mfg#:
IEINCK4-11
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Downpipe Flange For RS6 or RS6-R Turbos - Pair (Bolt On)

ES#4046113 - RS6UDPFBO - Downpipe Flange For RS6 or RS6-R Turbos - Pair (Bolt On) - This is a universal flange that will allow you to run RS6 style turbos (with OEM RS6 turbine bolt patterns) on your current K03-K04 flanged downpipes. Just bolt these flanges to the back of your turbos! - JH Motorsports - Audi

This is a universal flange that will allow you to run RS6 style turbos (with OEM RS6 turbine bolt patterns) on your current K03-K04 flanged downpipes. Just bolt these flanges to the back of your turbos!

Brand:
JH Motorsports - Corporate Logo
ES#:
4046113
Mfg#:
RS6UDPFBO
Ships in 10 Business Days
$140.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS6 / RS6-R Turbo Hardware Kit For 2.7T

ES#4045912 - 27tRS6TH - RS6 / RS6-R Turbo Hardware Kit For 2.7T - The necessary hardware to install OEM Borg Warner RS6 turbochargers, RS6 style turbochargers, or JHM RS6-R turbocharges on your 2.7t engine - JH Motorsports - Audi

The necessary hardware to install OEM Borg Warner RS6 turbochargers, RS6 style turbochargers, or JHM RS6-R turbocharges on your 2.7t engine

Brand:
JH Motorsports - Corporate Logo
ES#:
4045912
Mfg#:
27TRS6TH
Ships in 6 Business Days
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Weistec Audi / Porsche VAG EA839 3.0T W.3 Turbo Upgrade

ES#4715588 - 01-839-02087-8 - Weistec Audi / Porsche VAG EA839 3.0T W.3 Turbo Upgrade - 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. - Weistec - Audi Porsche

100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core. You are required to ship Weistec your OE turbochargers as a core.

Brand:
Weistec - Corporate Logo
ES#:
4715588
Mfg#:
01-839-02087-8
Ships in 1 Business Day
$2199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K04 Twin-Turbo Upgrade & D&W Installation Hardware Bundle (2.7T)

Transform your 2.7-liter Bi-Turbo into a high-horsepower powerhouse with this complete BorgWarner K04 upgrade bundle. 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#:
5516698
Mfg#:
53049880026KT
Ships in 1 Business Day
$3173.99 USD
This product is lifetime replacement eligible Partial Replacement

TTE810+ Turbo Upgrade - Send In Your Turbos

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#:
4751302
Mfg#:
TTE10494.1
Ships on Nov 10, 2026
$3492.99 USD
Free Shipping
on orders $49 and up

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