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2020 GMC Sierra 1500 Exhaust Systems
2020 GMC Sierra 1500 Exhaust Systems(3) 
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Cat-Back Exhaust System
Part# 140784 What vehicle does this fit?
Sound Level:
Engines:6.2L Body:Crew Cab, Extended Cab Drive:2 + 4 WD
Pipe Diameter:3.5", 2.75" Tip Size:3.5" X 3.28" Exit:Truck Dual Split Rear Exit
Has Valves FALSE
- EXCEPT ZR2 & AT4X models
- Fits Factory Split Rear Exit Vehicles ONLY
- Add Adapter 60706 For Crew Cab with Standard Bed (6' 7") 157" Wheelbase Vehicles.
- System features Polyphonic Harmonizer technology. Add Muffler 60679 to attain the S-Type sound level
- Installation REQUIRES removal of the Factory Valance Tips
Price: $1,847.99
Cat-Back Exhaust System
Part# 140783 What vehicle does this fit?
Sound Level:
Engines:6.2L Body:Crew Cab, Extended Cab Drive:2 + 4 WD
Pipe Diameter:3.5" 2.75" Tip Size:3.5" X3.28" Exit:Truck Dual Split Rear Exit
Has Valves FALSE
- EXCEPT ZR2 & AT4X models
- Fits Factory Split Rear Exit Vehicles ONLY
- Add Adapter 60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles
- Polyphonic Harmonizer 60680 can be added to this system to attain the ATAK® sound level
- Installation REQUIRES removal of the Factory Valance Tips
Price: $1,847.99
Cat-Back Exhaust System
Part# 140782 What vehicle does this fit?
Sound Level:
Engines:6.2L Body:Crew Cab, Extended Cab Drive:2 + 4 WD
Pipe Diameter:3.5", 2.75" Tip Size:3.5" X 3.28" Exit:Truck Dual Split Rear Exit
Has Valves FALSE
- EXCEPT ZR2 & AT4X models
- Fits Factory Split Rear Exit Vehicles ONLY
- Add Adapter 60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles
- Installation RERQUIRES removal of the Factory Valance Tips
Price: $1,847.99
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- TipLength 5.42" Remove This Item Body
- Body Extended Cab Remove This Item Tip Finish
- Tip Finish Polished Remove This Item