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Fuel Mileage with Intake, Exhaust, Programmer

Discussion in 'Performance & Fuel' started by 2010TexasEdition, Apr 4, 2011.

  1. yesterday, i decided to take the Diablosport Trinity i have out of my Camaro, have the Camaro dyno tuned, and use the programmer in my Silverado. average fuel mileage was 17.0 mpg mix of city/highway. at 70 mph i was getting about 19-20 mpg on flat road. after i installed the 87 octane tune on my programmer, i took it out for some testing. i was getting 22 mpg at 70 mph!

    i ordered a K&N 63 Series intake; almost went with the Volant powercore, but i read on here and elsewhere the volant box doesn't seal too well and the K&N had great IAT, MAP, & HP numbers according to Jennabear's intake thread. i wanted a sealed box with a polyethylene tube because we get really hot summers here, i do a lot of highway driving, and it is also very dusty. also ordered Corsa DB Series cat-back exhaust, single side exit. i decided on the Corsa because of their "reflective sound technology" with zero drone while cruising and big sound when you stomp on the gas. i've had Flowmaster and Magnaflow on vehicles before and didn't like the cabin noise they created. i got the intake for $284 and the exhaust for $517 with free 2 day shipping from Amazon.com. not to bad considering the intake was $600 and headers/exhaust was $2000 on my camaro!

    my main question is:
    for those of you that have a similar combo (intake, cat-back exhaust, programmer with 87 octane tune) what kind of fuel mileage are you getting mixed city/highway, and also how much just on the highway?

    i also ordered the steering wheel w/ audio controls, Universal Home Remote roof panel, and Katzkin leather in ebony w/ dove tail grey perforated inserts and grey stitching. i'll post a new thread once i'm done with each thing!
     
  2. ntbush83

    ntbush83 Rockstar 4 Years ROTM Winner 1000 Posts

    Sounds like your rockin and rollin along with this truck! I can't help you with the mileage info but I can say I' pretty happy with my diablo sport as well!
     
  3. Blacksheep1

    Blacksheep1 Rockstar 3 Years 500 Posts

    What motor do you have?
     
  4. yeah, i've done a lot to it since getting it in august. i didn't realize how stripped down it was until i started searching the web on how to make it my own! so far i've added fog lamps, DIC panel, oval step sides, dual wall exhaust tip which i will use with the corsa exhaust, chrome locking tailgate handle (texas edition package comes with chrome door handles, mirror caps, and 20" chrome wheels), debadged, and white bowties! i think after the audio controls, UHR panel, intake, and exhaust comes in, my wife is cutting me off for awhile!!! :D

    5.3L with the 6 speed transmission and 3.08 gears
     
    Last edited: Apr 4, 2011
  5. Blacksheep1

    Blacksheep1 Rockstar 3 Years 500 Posts

    Sounds like a sweet ride
     

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