Rail, you running performance? My 09 with 305's is doing 23 over from rifle to Greeley if I'm in performance tune. I've got a handshaker too tho

09 qsb, parts fell off, some got add, car seat and hot wife mod adds about 50hp right?

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If I go back way out to the west end I can squeeze 24 out of her, but top speed limit is 65 which puts me around 70-75

09 CTD qcsb, parts fell off, some got added, car seat and hot wife mod w/ full wallet delete

 

I like my RACE ME and my TS Performance MP 8. Affordable and work well. That being said there are so many good products out there offering similar results. It all boils down to your goals and expectations. Take the suggestions you get here and then research it from there. A lot of people are brand bias and then give advice accordingly. Unless you start doing crazy stuff you really cant go wrong with almost any of the products.

Start with a good Tuner of your choice, TB exhaust, egr/cooler delete and a cold air intake. That's pretty standard for starters and depending on your foot (driving style) you should get great returns in performance and mileage. With diesels they go hand in hand. Good Luck and keep us posted.

 

efi auto cal lite about $550, just another option.