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

Includes: - Exhaust Flapper

Fits Models: - GMC Sierra, Chevrolet Silverado

Model Years: - 2014–2018

Submodels: - Common trims include SLT, SLE, WT, Denali; chassis codes include GMT900, GMTK2XX; body styles include Crew Cab, Double Cab, Regular Cab

Engine Options: - 4.3L V6, 5.3L V8, 6.2L V8 (engine codes include L83, L86, L8B)

Description: This exhaust flapper is precision-matched to fit GMC Sierra and Chevrolet Silverado models from 2014 to 2018. It helps regulate exhaust flow, enhancing performance and sound. Made from durable materials, it ensures longevity and reliable operation.

Features: - Direct fit for specified models - Improves exhaust flow management - Durable construction for long-lasting use - Simple installation with no modifications required - Compatible with standard exhaust systems

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