Collection: Exhaust Parts for 2018 GMC Yukon XL SLT

Shop 27 exhaust parts that fit the 2018 GMC Yukon XL SLT - cat-backs, axle-backs, headers, downpipes, mufflers, tips and more from Gibson, Kooks Headers, Magnaflow and Fel-Pro. Only parts listed for the SLT 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.