Seller notes

Upgrade GTX9 Stage 2 3 Turbo Supre Core For BMW 550i 650i 750i X5 N63 4.4L Power 900HP+ THis is 1 pair price =left+right side 1,Modern Extended Tip Technology - Increasing capable boost pressures and increasing surge margin. Provides improved throttle response and a boost increase at equivalent turbo RPM.2,New High Flow Design - New design 9 blades Curved Billet wheel ,Higher blade heights give proven higher performance.3,Higher Performance Modern Design For 900hp+ Power Fit: Part Number: 821719...

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