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Fiat Abarth 595 and 695 JB4 Performance Tuner

AED 1,500

Eddy

2 items live

Item Details

Condition

Perfect inside and out

Seller type

Owner

Usage

Used an average amount, as frequently as would be expected

Posted on: 7th August 2026

Description

Selling my JB4 with pro wireless connection in excellent condition.
Power gains of up to 40whp and 40wtq on a factory vehicle without the risks of flashing!
Now includes the JB4PRO adapter and free app built in! The JB4 is a plug and play tuner that attaches to two easy to access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag.

Map 0: Factory Tuning
Map 1: 91+ octane (+5psi peak)
Map 2: 93+ octane (+6psi peak)
Map 3: 93-E30 (+6psi peak, less taper)
Map 5: E30 (+6psi peak, less taper)
Map 6: Custom Tuning
Map 7: Unleaded Race Gas (+7psi peak)
Map 8: Valet Mode (20% less boost than factory)