2hole 10" for GMC/Chevy 2019-2020+ Crew Cab & Double Cab
 Underseat Downfire
2hole 12" for GMC/Chevy 2019-2020+ Crew Cab & Double Cab
2hole 10" Ported for GMC/Chevy 2019-2020+ Crew Cab & Double Cab
 Underseat Upfire
2hole 12" Ported for GMC/Chevy 2019-2020+ Crew Cab & Double Cab
4hole 8" Ported for GMC/Chevy 2007-Current Crew Cab