1. You don't have an LS1 in your Tahoe unless you swapped it in.
2. What do you want out of your exhaust? Lots of rumble all the time, nice little rumble at idle scream at WOT? Do you care about cabin drone? It really depends what you want.
2. What do you want out of your exhaust? Lots of rumble all the time, nice little rumble at idle scream at WOT? Do you care about cabin drone? It really depends what you want.