Collection: Exhaust Parts for 1978 GMC K15 Sierra Grande

Shop 18 exhaust parts that fit the 1978 GMC K15 Sierra Grande - cat-backs, axle-backs, headers, downpipes, mufflers, tips and more from Victor Reinz, Fel-Pro, Gibson and Magnaflow. Only parts listed for the Sierra Grande 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.