1998-2000 Chevrolet Suburban 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Blemished PCM (>5% paint missing) [+$75] No other handheld offers this

No other handheld offers this flexibility

15-20hp gains are common with 10-15ft-lbs of torque on 89 octane on the 4

Additional tuning service/hardware may be required

2007-2013 will typically see a 20-25hp/10-20ft-lbs gain

Magnacharger TVS Supercharger Pulley

1998-2000 Chevrolet Suburban 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Blemished PCM (>5% paint missing) [+$75] No other handheld offers thisBlack Bear Performance offers three different levels of custom tuning for your 1999 2000 Chevrolet Suburban 5. 7L and 7. 4L. From bone stock to heavily modified, we can help your engine perform as optimally as possible. We tend to see power gains in the 15 20hp range on a 5. 7L and up to 35hp on a 7. 4L along with a 1 2mpg improvement depending on vehicle condition and configuration. Other improvements range from improved idle smoothness to better