i just got a new sierra denali and was wandering what all other people have done to their trucks, and what you would suggest for me to do for performance upgrades. i just ordered a k&n intake, but what else should i do for fairly cheap
thanks

 

anything???

 

A tune really brigs them to life! http://www.nelsonperformance.com/ this guy is the best out there ive also heard good things about this guy http://www.blackbearperformance.com/ Also an exhaust. Im not sure if you can get away with to much and keep your warranty. Sorry it tiik so long to answer most of us post on the silverado forum.

 

It is great sock!

 

I meant, it is great stock!