EXCEPT Diesel Engine. EXCEPT Dual Rear Wheels. This 3.5″ diameter extension pipe is used to adapt the 158.9″ Wheelbase BORLA® systems to vehicles with Crew Cab with Long Bed (8′ 2″) 172″ Wheelbase. Dimensions 3.5″ ID inlet, 3.5″ OD outlet, 17.5″ long. Includes 1) 3.5″ clamp. Built from premium, high-quality austenitic T-304 stainless steel, to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA® stands behind every extension pipe with a Million-Mile Warranty. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
Wheelbase Ext. Pipe 2020-2024 Chev. Silv. 2500/ 3500/ GMC Sierra 2500/ 3500 6.6L V8 (EXCEPT Diesel) AT 2 & 4WD 4 Dr. Crew Cab W/Std. Bed (6′ 8″) 158.9″ WB EXC. Dual Rear Wheels. Add Ext. Pipe 60713 For Crew Cab W/Long Bed (8′ 2″) 172″ WB.
2020-2024 Chevrolet Silverado 2500/ 3500/ GMC Sierra 2500/ 3500 6.6L V8 (EXCEPT Diesel) Automatic Transmission 2 & 4 Wheel Drive 4 Door Crew Cab With Long Bed (8′ 2″) 172″ Wheelbase Vehicles EXCEPT Vehicles With Dual Rear Wheels.

• Adapts Borla(r) 158.9″ Wheelbase systems to Crew Cab With Long Bed (8′ 2″) 172″ Wheelbase vehicles
• 3.5″ inlet, 3.5″ outlet, 17.5″ long. 1) 3.5″ clamp included.
• See below for additional Product Features & Benefits
• EXCEPT vehicles with Dual Rear Wheels
• 3.5″ inlet, 3.5″ outlet, 17.5″ long
• 1) 3.5″ clamp included
• EXCEPT Diesel engine