Cat Back Exhaust System
Single Side Exit w/ Twin 4.5” Pro-Series Tips
2014+ Chevrolet Silverado/GMC Sierra 1500 6.2L
143.5” & 153” Wheel Base
PN: 14866, 14866BLK
Please take time to read and understand these installation instructions.
CORSA recommends that the installation of this system be performed by a qualified service center or professional
muffler installer who has the necessary equipment, tools and experienced personnel. However, if you decide to
perform this install, the use of a lift and an additional person will be required.
CAUTION: Never work on a hot exhaust system. Allow time for the vehicle to cool. Always wear eye protection when
working under a vehicle.
Recommended Tools:
3/8” drive ratchet
3/8” drive 13mm deep socket
3/8” drive 15mm deep socket
Small flathead screwdriver or similar tool
Chain-style pipe cutter or similar device
Grommet pullers
Soap and water solution
Torque Wrench
Penetrating lubricant spray
Safety glasses
Please confirm that all parts are present before beginning the factory exhaust system removal and CORSA exhaust
system installation.
Bill of Materials
1. 16SE2034 – Muffler Assembly
2. 16SE3028 – Tip Assembly
3. 16SE4474 – Head Pipe Assembly
4. 16SE4478 – Tail Pipe Assembly
5. 16SE4487 – 153” WB Adapter Pipe
6. 16SE7100 – Hardware Kit
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