Collection: Exhaust Parts for 1990 GMC K2500 Sierra

Shop 63 exhaust parts that fit the 1990 GMC K2500 Sierra - cat-backs, axle-backs, headers, downpipes, mufflers, tips and more from Magnaflow, Flowmaster, Gibson and Fel-Pro. Only parts listed for the Sierra are here. Every part shows its real ship date and California status, orders over $100 ship free in the lower 48, and you can hear real sound clips before you buy.