Really, that's interesting. I'm installing the headers Friday, giving a buddy with a lift $100 to change them out. Then off to the tuner.

 

Let us know how you like them!

 

Headers are installed, truck runs great. Exhaust note is interesting, I'm not sure if I like it just yet. Ended up having an exhaust shop rework the Y pipe to bolt up to the factory cat-back. Had to cut my factory Y, but I didn't mind, saved me from having to drop the transmission crossmember.

 

Happy to report that my fuel mileage went up drastically. With the lift and tires I was averaging anywhere from 12.5-13.3 on the highway doing 80 mph. Yesterday I drove the same 500 mile stretch to west Texas and averaged 16.1, hand calculated and confirmed with the dash. I wasn't expecting a 3 mpg jump, it's awesome.

This was the headers, off road 3" y-pipe, and tune.

 

Awesome, hopefully I'll see some improvement too, I'm getting 17-20

 

Did you tune it as well?

 

Yes it is custom tuned with hp tuners. I used a local tuner buddy, only charged me $100

 

Awesome