K&N 69-4526TS Performance Intake Kit Estimated horsepower gain of 11.73 HP at 6218 RPM Designed to improve throttle response and engine sound Easy to install, usually in 90 minutes or less. Assembled Product Dimensions (L x W x H)-22.25 x 14.25 x 12.50 Inches Replaces stock air intake system Lasts up to 100,000 miles before service is required (depending on driving conditions)