4.0T Fuel System - E85 Compatible

4.0T Fuel System - E85 Compatible

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Comprehensive upgrade of the low and high pressure fuel system for all 4.0TFSI engines.

  • $2995.00
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  • SKU
    SRM40TFS

Comprehensive upgrade of the low and high pressure fuel system for all 4.0TFSI engines.  This upgrade supports up to 900whp on ethanol and 1200whp on pump/race fuel.  Special tuning is required, please contact us if you require ecu tuning which we provide through Silly Rabbit Tuning LLC.


The kit includes the following:


2 in-tank fuel pumps and additional fuel pump control module.

Fuel line upgrade with AN fittings

2 autotech high pressure pump pistons




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Make Model Year Engine
Audi A8 D4 (11-17) 4.0T
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Audi RS7 C7 (13-18) 4.0T
Audi S6 C7 (12-18) 4.0T
Audi S7 C7 (12-18) 4.0T
Audi S8 D4 (12-17) 4.0T
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