Keep your turbo boosting like it should
This product was last offered at the strikethrough price on
07-10-2026
Keep your turbo boosting like it should
This product was last offered at the strikethrough price on
07-10-2026
Install new hardware with your new parts. M10x1.5
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Used to secure the catalyst/downpipe to the turbo
Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware
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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).
This product was last offered at the strikethrough price on
06-19-2026
Smaller, tougher and tuneable
2 required
Restore boost and get going
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For automatic transmission vehicles from the 2003 model year
This product was last offered at the strikethrough price on
05-02-2026
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).
This product was last offered at the strikethrough price on
07-02-2026
Direct-fit performance solution for the weak factory diverter valve
A great upgrade for stock to mildly tuned engines. Includes band clamps
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2 required
This product was last offered at the strikethrough price on
05-02-2026
Garrett GTX3584RS Turbocharger; V-Band Inlet and V-Band Outlet Turbine Housing; 1.21 A/R. Garrett # 856804-5003S
Used for custom, big turbo applications only - ECS Tuning does not offer support on tuning, fueling, exhaust manifold, etc
Can be used for exhaust systems, turbo, and any use where the highest strength and quality are required.
Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port
2 required
In-car boost controller for fine tuning
Direct replica of OEM RS4 hoses, but in reinforced silicone for long life and abuse resistance
To be used with RS4 Y-pipe and inlet pipes only
Bolt on external wastegate from Turbosmart
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-20-2026
Designed to put out over 400HP!
Custom tuning software required for installation.
Restore boost and get going!
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For manual transmission vehicles. For automatic transmission vehicles up to the 2002 model year
This product was last offered at the strikethrough price on
06-05-2026