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gtbigup01

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I know you've been through this a million times so here's to 1000,001. I bought my truck in June with 66+K on the ODO and I have never seen more than 13.8 MPG, and that's highway. Ok granted it was 75-85MPH back and forth from Missouri to TX. I however have constantly gotten 13.6 city driving, ie work, walmart etc. Now 748 miles ago I installed a Magnaflow dual in dual out with dual tips out the side, couple of tanks later I get 14.5 MPG city by my calculations, and 15.1 by onboard computer. Comp said I used 19.9 gals fuel but I pumped 20.7 so I'll go with the manual calculations.

Now here's the issue, I was about to buy an AEM bruteforce CAI, but now I'm scared it's going to **** up my MPG. This truck will never see the track or be in a race or I would have kept the Infiniti G35 I traded for it, which was nicely modded. I therefore don't care for about the claimed HP gains from it, I just don't want to spend $285 and loose MPG which I DO care about. What should I do? What were your results after CAI. The reason I'm asking Denali guys is because I know the 4.8/5.3 guys will see different results than the 6.0/6.2 guys after they mod.

BTW: I have logged 13257 miles in 6months on this truck OOOUUCCHH
 

Max

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You won't lose any mpg, I actually gained a bit from mine but it was marginal at best.
 

Max

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I was getting 12-13 stock, then 14 or so with aem + superchips performance tune, slightly better with the BB tune, then it went up to 16-17 after I did the electric fans and longtube headers. These things are thirsty but it's all worth it when a 5.3 tries racing you :D
 
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gtbigup01

gtbigup01

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I was getting 12-13 stock, then 14 or so with aem + superchips performance tune, slightly better with the BB tune, then it went up to 16-17 after I did the electric fans and longtube headers. These things are thirsty but it's all worth it when a 5.3 tries racing you :D

LOL. Well kool I know I wasn't buying a gas sipper. I was just suprised with the gas increase with just a muffler
 

Max

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A Blackbear tune with 0 torque management is significantly better than a flashpaq.
 

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