6.2 Yukon Denali. Headers, stock muffler. Startup, take off, cruising.

Speed Engineering headers 1 3/4", high flow cats, stock 3.5" piping and muffler. Stock resonator replaced with Magnaflow 14161. Deep tone but but very quiet, keeps the neighbors happy and not annoying for towing.

[@mrhighpower5632]

Sounds great!!Thx for sharing this vid this is exactly what I wanted to see/hear.

[@TheColesjeff12]

Your cluster was killing me lol

[@frankdatank7751]

Sounds great, I bet the headers help that big 6.2 breathe better, any fitment issues with the speed engineering 1 3/4 headers, Thanks

[@kingsupra5023]

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[@kique_lsx]

Does high flow cats help out w the gas smell coming out of the exhaust pipe ?

[@Uknow02]

What type of high flow cats any link?