Anybody installed a Gibson supertruck exhaust on a Supercrew? It looks to me like there isn't enough room in front of the rear wheel to install it, especially if factory running boards are installed, like on mine. Can someone help me out? I just wonder if it will fit before I buy it.

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2001 F150 SuperCrew King Ranch Edition
Charcoal Blue/Arizona Beige
5.4L V8
3.55 LS
Power Moonroof
Class III Towing Group
King Ranch Package
-Lighted Cab Steps
-Sliding Rear Window
-Premium Sound w/ 6-disc changer
-Fog Lamps
-King Ranch Wheels 17x7.5
-King Ranch Leather Quad Captain's Chairs w/ front heated seats
2001 Lightning Taillights
Clear Corner Lenses
Leer 100R Cap
soon to have installed
-Visteon Mach MP3
-Soundstream Class A 10.2
-(4) Cerwin Vega Vega 124's