SLP PerformancePac, 2003-05 6.0 Silverado/Sierra Ext. Cab/Short Bed 350HP.
Get 350 HP from your Silverado/Sierra with Bolt-On Parts! Take the guesswork out of upgrading your 2003-''05 Silverado/Sierra extended cab/short bed w/6.0L engine with SLP''s 350 HP PerformancePac™. Each 350 HP package includes our Blackwing™ cold-air induction system, cat-back exhaust system, and DiabloSport II Programmer with SLP''s performance-optimized custom tuning.
All parts work together to significantly improve performance and fuel economy without adversely affecting drivability. Best of all, you''ll save $50 over the cost of purchasing the parts individually! This 350 HP PerformancePac™ includes the following items: - Blackwing™ Induction System (21051)
- PowerFlo™ Stainless Steel Exhaust System (31051)
- DiabloSport II Programmer with SLP Custom Tune (27001T)
- 350 HP Badge
NOTE: All of our PerformancePacs™ are suitable for use with all factory recommended octane levels. For maximum performance, we recommend using 91& octane or higher. | 
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