Anybody have one? Curious on install and on how much of an improvement it is over stock. Thanks.
https://www.flowmastermufflers.com/...er-manual-fits-05-18-wrangler-tj-jk-6-speed/?
https://www.flowmastermufflers.com/...er-manual-fits-05-18-wrangler-tj-jk-6-speed/?