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Jaguar XJR 4.2 Supercharged 406Hp - Stage 1 |
Upgrade stages ranging from 415 Hp for the 4.2 Supercharged engine of Jaguar XJR.
Stock engine specs: Power: 406hp
Stage 1: Engine upgrades: -Stage 1 Software upgrade Engine performance: Power: 415hp
Software upgrades: Boost control is achieved using the OEM ECU.
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