Exhaust Flapper for Sierra 5-6 Inch (18-4458, 9-44002, 89260)

Includes: - Exhaust Flapper

Fits Models: - GMC Sierra - Chevrolet Silverado

Model Years: - Check fitment before purchase

Submodels: - Common trims include SL, SLE, SLT, Denali, WT - Chassis codes: GMT900, GMTK2XX, GMTT1XX - Body styles: Crew Cab, Double Cab, Regular Cab

Engine Options: - Compatible with standard engine options

Description: This exhaust flapper is designed for GMC Sierra and Chevrolet Silverado models, enhancing exhaust flow and performance. It is a direct replacement for worn or damaged flappers, ensuring optimal operation of your exhaust system.

Features: - Durable construction for long-lasting performance - Straightforward fitment with no modifications required - Built to fit 5-6 inch exhaust systems - Improves exhaust efficiency and sound control

Part Numbers: 18-4458, 9-44002, 89260