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Review on πŸš€ K&N Cold Air Intake Kit 77-3047KP: High Performance, Increased Horsepower: Compatible with 2004-2005 Chevrolet/GMC (Silverado 2500HD, Silverado 3500, Sierra 2500HD, Sierra 3500) by Ian Iknokinok

Revainrating 5 out of 5

Cheap Performance Upgrade

Bought for my 2004 Silverado 2500HD. The engine breathes much better. Fuel economy increased by 2.5mpg. It pays for itself in about 2 months if diesel fuel does not increase sharply in price, in which case it pays for itself in 1 month. Excellent delivery. For now.

Pros
  • Auto
Cons
  • Vulgarity