TTE860 - Upgrade Turbochargers – Audi RS4 / S4 B5 / A6 C5 Allroad 2.7T

TTE860 - Upgrade Turbochargers – Audi RS4 / S4 B5 / A6 C5 Allroad 2.7T

TTE

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Option: I am sending a TTE780

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The TTE860 is an advanced Stageupgrade for the iconic 2.7T V6 Biturbo engine, developed by TheTurboEngineers as an evolution of the highly successful TTE780 series. This turbo upgrade is based on original RS6 K04 units and combines quick response immediately significantly higher power potential, without losing the engine's character. The TTE860 is designed for serious performance on the street and track, with proven results from 740+ hp on 98 RON with correct hardware and software.

Advantages

• Further development of the proven TTE780 with more top-end power
• Very fast spool thanks to 7+7 billet compressor with anti-surge geometry
• Larger K16 turbine for lower back pressure and lower EGTs
• OEM+ driving behaviour with significantly higher airflow
• High-quality CNC machining for maximum efficiency
• Motorsport bearing for durability under high loads
• Individually VSR balanced for maximum reliability
• Developed and produced in Germany

Technical specifications

• Base: Original BorgWarner RS6 K04 turbochargers
• Compressor houses: RS4 spec, CNC machined
• Compressor wheel: TTE billet 7+7 blade, 47.6 mm inlet, anti-surge
• Turbine houses: THE 08 (K08) exhaust housings, CNC customized
• Turbine: BorgWarner K16, specially curved, cut and illuminated
• Storage: TTE 360° motorsport journal bearing system
• Actuators: Reinforced OE units, synchronized and adjustable
• Inlets: TTE CNC billet 58 mm, including Viton O-rings
• Finish: Hi-temp coating (black/red)
• Assets: 740+ hp proven on 98 RON
• Balancing: Parts + CHRA VSR up to 250,000 rpm
• Software: ECU recalibration required

Compatibility

• Audi RS4 B5 2.7T
• Audi S4 B5 2.7T
• Audi A6 C5 / Allroad 2.7T
Suitable for vehicles with RS4 K04 turbo setup

• 2x TTE860 upgrade turbochargers
• Balance test result documents (numbered)

Frequently Asked Questions

Is this a plug & play upgrade?
Mechanically, the TTE860 fits like an RS4 K04 setup for oil and water lines, but additional modifications to the intake, exhaust, fuel, and cooling are required.

Can I send my own turbos?
Yes, this upgrade is possible based on the provision of RS4 K04 OE turbochargers in good condition.

What additional upgrades are recommended?
Larger injectors, upgraded fuel pumps, free exhaust, efficient intercoolers and professional ECU tuning are necessary to safely utilise the potential.

Delivery time

• New turbo: 3 - 6 working days
• I am sending my old turbo: 20 - 40 working days

You have the right to cancel your order up to 14 days after receipt without giving a reason. After cancellation, you have another 14 days to return your product. You will then be credited with the full order amount, excluding shipping costs. Returns must be shipped with tracking. Return shipping costs are your responsibility.

This returns policy does not apply to business customers. For more information, please refer to our terms and conditions for business customers. See our general terms and conditions here.