JB4 Tuner for 2013-2018 4.0T Audi S6, S7, S8, RS6, RS7, A8 - Burger Tuning M8 (F91) Black powder-coated inlet pipe and

Black powder-coated inlet pipe and heat shield for long-lasting durability

The mounting locations are selected to minimize the line length

Our Stage 4 bucketed/bucketless hybrid fuel pump includes all necessary wiring and pump activation switch (hobbs switch)

improves turbo spool and enhances the exhaust note on your 2

JB4 Tuner for 2013-2018 4.0T Audi S6, S7, S8, RS6, RS7, A8 - Burger Tuning M8 (F91) Black powder-coated inlet pipe andPower gains of up to 60hp and 75tq to the wheels on a stock vehicle! The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Includes full CANbus allowing the JB4 to access and incorporate all engine data in its tuning strategies, incorporate unique safety features such as keeping boost pressure