Your search for "2006 GMC Yukon XL 2500 SLT" revealed the following:

Bushwacker 40135-02 Image 1 GarageMAD4X4
Bushwacker GM Sierra Boss Pocket Style Front Fender Flares (Paintable) - 40135-02 Bushwacker GM Sierra Boss Pocket Style Front Fender Flares (Paintable) - 40135-02
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Bushwacker 40922-02 Image 1 GarageMAD4X4
Bushwacker GMC Yukon OE Style Fender Flare Set (Paintable) - 40922-02 Bushwacker GMC Yukon OE Style Fender Flare Set (Paintable) - 40922-02
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Fox Reservoir Shock 980-24-957
Fox 2.0 Performance Series IFP Reservoir Shock Rear 7-10in Lift - 980-24-957 Fox 2.0 Performance Series IFP Reservoir Shock Rear 7-10in Lift - 980-24-957
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Fox Mono Tube Rear Shock 980-24-664
FOX 2.0 Performance Series Shock Rear 0-1IN Lift - Trucks - 980-24-664 FOX 2.0 Performance Series Shock Rear 0-1IN Lift - Trucks - 980-24-664
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Fox Mono Tube Front Shock 980-24-658
FOX 2.0 Performance Series Shock Front 4-6IN Lift - Trucks - 980-24-658 FOX 2.0 Performance Series Shock Front 4-6IN Lift - Trucks - 980-24-658
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Bushwacker 48503 Image 2 GarageMAD4X4
Bushwacker Chevrolet / GMC Smoothback Ultimate BedRail Cap w/Stake Pocket - 48503 Bushwacker Chevrolet / GMC Smoothback Ultimate BedRail Cap w/Stake Pocket - 48503
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Fox Monotube Shock 980-24-958
Fox 2.0 Performance Series IFP Shock Rear 7-10in Lift - 980-24-958 Fox 2.0 Performance Series IFP Shock Rear 7-10in Lift - 980-24-958
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Bushwacker 48528 Image 2 GarageMAD4X4
Bushwacker GMC Smootback Ultimate BedRail Cap w/ Stake Pocket - 48528 Bushwacker GMC Smootback Ultimate BedRail Cap w/ Stake Pocket - 48528
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Fox Reservoir Shock 980-24-959
Fox 2.0 Performance Series IFP Reservoir Shock Front 0-1in Lift - 980-24-959 Fox 2.0 Performance Series IFP Reservoir Shock Front 0-1in Lift - 980-24-959
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