Install new hardware with your new parts. M8
Used to secure the turbocharger to the cylinder head - qty 4 required - outer
Install new hardware with your new parts. M8
Used to secure the turbocharger to the cylinder head - qty 4 required - outer
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
Designed to put out over 400HP!
Custom tuning software required for installation.
This complete Turbocharger Installation Hardware/Gasket Kit for the B9/B9.5 Audi S4/S5/SQ5 equipped with the single-turbo EA839 3.0T includes everything you need to install a new stock-fit turbocharger.
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Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability!
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This product was last offered at the strikethrough price on
06-13-2026
Direct-fit performance solution for the weak factory diverter valve
Restore boost and get going!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
08-13-2026
Install new hardware with your new parts. M10x1.5
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Used to secure the catalyst/downpipe to the turbo
This product was last offered at the strikethrough price on
08-31-2026
Direct replica of OEM RS4 hoses, but in reinforced silicone for long life and abuse resistance
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To be used with RS4 Y-pipe and inlet pipes only
This product was last offered at the strikethrough price on
08-17-2026
Can be used for exhaust systems, turbo, and any use where the highest strength and quality are required.
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This product was last offered at the strikethrough price on
08-17-2026
Restore boost and get going!
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
09-06-2026
The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. Includes charge pipe kit.
**This kit is for European vehicle fitment**
2.5" diameter piping to increase your throttle response and decrease turbo lag
This product was last offered at the strikethrough price on
08-26-2026
Smaller, tougher and tuneable
This product was last offered at the strikethrough price on
08-29-2026
Allows a full 2.5" diameter transition to the lower RS4 inlet pipes
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This product was last offered at the strikethrough price on
08-17-2026