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Stage 1 91 octane: up to 18% HP / 26% TQ
Airtec's B58 Catless downpipe reduces back pressure
Designed to boost horsepower and rate of acceleration
- Pre-applied 3M adhesive double-sided tape
* Please note: M-cars such as the F80 M3 feature a slightly different steering wheel design
Pure Turbos BMW N63/N63TU Stage 1 Turbos (550i/X5/X6/750i/650i) Brand_ArmaSpeed Stage 1 91 octane: upPure Turbos Stage 1 upgrade for N63 & N63tu cars is the only turbocharger upgrade for these engines proven to produce substantial power gains. Please Note: You will need to send in only your core turbo to be upgraded. (Any additional parts that you send may not be returned if sent together with the core) PRODUCT SPECIFICATION The only true turbo upgrade set available for these cars Custom Billet Compressor wheel Heavy Duty Large Pad Upgrade Thrust CNC
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