Stainless Works 2020-21 Silverado HD 6.6L 1-7/8in Long Tube Header Kit Factory Connect - CT220HSTCATY fits_2008-2013`Toyota`Highlander Absolutely no drilling is required

Absolutely no drilling is required

and the occasional bathroom

Mishimoto's Turbo Inlet Pipe for the MK7 chassis is constructed from durable

and enhance throttle response

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-581

Stainless Works 2020-21 Silverado HD 6.6L 1-7/8in Long Tube Header Kit Factory Connect - CT220HSTCATY fits_2008-2013`Toyota`Highlander Absolutely no drilling is requiredUpgrade to Long Tube headers on your 2020 21 Chevy Silverado or GMC Sierra HD with this system from Stainless Works. Unleash that 6. 6L motor with 1 7 8" primaries that flow into a 3" collector with an integrated merge spike. This system comes with high flow cats and a Y pipe for a simple bolt on install.