Published On Nov 4, 2022
Simple cold start on a 2020 Chevrolet Silverado RST 6.2L after installation of Flowmaster 40 Series and flapper delete. Stock catalytic converters and baffles remain.
My personal opinion, sounds amazing. Just the right tone while your on it, then quiets down at lower rpms..
Money well spent at my local muffler shop.
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