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Superchips part # 2840 tuner for the new 2014 Duramax LML 6.6L. Take advantage of 3 awesome performance tuning levels and user-adjustable options. Currently in stock thru Marken Performance. Turn your mild-mannered Duramax into a concrete crusher!
3 Power levels tuned with Emissions Systems intact:
- Performance
- Tow
- Performance Tow
- Adds up to + 81HP in Performance level
- Adds up to + 170 lbs-ft of TQ in Performance level
- Corrects speedometer when upgrading wheels and tires from 26" to 38"
- Adjust speed limiter from 95 mph to 125 mph
- Installs in minutes
- Internet Updateable
- Scan Tool/Diagnostics
- Backed by Superchips 2 Year Limited Powertrain Warranty
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