Cold Air Intake - Mileage - Jeep Commander Forums: Jeep Commander Forum
Intakes Questions or advice about intakes? This is the place...

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post #1 of 44 (permalink) Old 01-08-2010, 09:23 AM Thread Starter
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Cold Air Intake - Mileage

For those of you who have added one of the cold air intakes, can you ring in on what mileage you have after the install?

Please include your motor size and who's cold air intake you are using.

Thanks!

06 Red Jeep Commander 3.7L V6 "Manual QT2", RC 2" w/ Rusty's 1/4", 1-1/4" Wheel Spacers, Rubicon Moab Wheels, Grabber AT2 LT265/70-17 tires, Rocky Road Supersliders, Fastman Throttle-body, K&N Cold Air Filter, JBA Shorty Headers, Front Tow Hooks, 2" towing receiver front & rear, Wired for winch front & rear, ARB Onboard Air, Trans Temp Gauge, Aux Trans Cooler, Sport Roof Crossbars, Skid Plates, RS5010 Rear Shocks, JKS 2034 Front & 2001 Rear Disconnects
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post #2 of 44 (permalink) Old 01-08-2010, 12:41 PM
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I had the Brute Force on the HEMI, not sure it really helped with gas mileage but the power was noticeable.

I now have the snorkel and picked up about 1.5 to 2 MPG.





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2006 XK, Steel Armadillo Front Bumper w/Warn Powermate winch, Rear Bumper w/tire carrier & Super Sliders, Rhino Rack Roof Rack and Foxwing Awning, KC Lights on Steel Armadillo Light Bar, 4xGuard Rear Differential Cover, Steel Armadillo Plates.
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post #3 of 44 (permalink) Old 01-09-2010, 04:23 PM
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I'm also curious about this topic. Can anyone chime in if they have a 3.7L with the K&N intake (63-1545). Currently stock, I'm averaging about 15.4mpg.

2007 3.7L Silver Rocky Mountain Edition - K&N 63-1545 intake


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post #4 of 44 (permalink) Old 03-25-2010, 08:13 PM
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the read out on the commanders computer for me was an immediate 2 MPG increase. right now I'm keeping a log of miles per tank and I'll be able to ring in the true gains after about 2000 miles I'm guessing. Highway I'm getting a solid 19 ready out and city approximately 15. In my opinion it was totally worth it, definite notice a quicker response and the sucking sound when my music is off, windows down and in idle at a quiet intersection. when you really punch it the engine sounds a lot better as well. my commander is a 3.7 and I just put in a K&N CAI two weekends ago. install wasn't bad at all, I consider myself a novice to engine work and I found it simple. i have some pics if you'd like to see them.
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post #5 of 44 (permalink) Old 06-28-2010, 07:26 AM
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Any time I have used a K & N filter on my cars and trucks, I've gained about 1 MPG. I have a new K & N flat filter ordered for my commander and will report in on the actual difference. Should arrive this week.

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post #6 of 44 (permalink) Old 06-28-2010, 08:08 AM
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4.7 V8 - AFE +1 mpg, Did not buy it for that I wanted to open up the flow of air for better throttle response

2008 Red Rock Limited
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post #7 of 44 (permalink) Old 06-28-2010, 08:31 AM
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Quote:
Originally Posted by VMI11 View Post
my commander is a 3.7 and I just put in a K&N CAI two weekends ago. install wasn't bad at all, I consider myself a novice to engine work and I found it simple. i have some pics if you'd like to see them.
Hey VMI11, I'd be interested on seeing some pics, do you have them posted somewhere? I was considering this mod for my 3.7 as well.

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Mods: AFE Magnum Force Stage 2 CAI, OME HD Lift w/OME Shocks and Struts, Goodyear Wrangler All Terrains w/Kevlar 255/70R17, JBA Gen 6.7 Upper Control Arms, Hypertech Speedo Calibrator, Magnaflow cat-back system, Custom Retrofit HID Projectors, LED Conversion Kit for Fog Lights, Rigid Industries D2 LED Driving Lights


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post #8 of 44 (permalink) Old 06-28-2010, 10:36 AM
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5.7L w/aFE CAI

I gained about 1-2 mpg, but that is just a side effect...horsepower and tourque were the noticeable gains...

2006 Jeep Commander Limited, Black, 5.7L Hemi Quadra-Drive II 4x4, aFe CAI, Flowmaster 50 SUV, Spidertrax 1.5" spacers, Rough Country 2" Lift, Cooper Discoverer STT 265/70R17.
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post #9 of 44 (permalink) Old 06-30-2010, 01:35 AM
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K&N filter.....no difference in MPG (but sounded sooooooo much cooler). Also added cat back exhaust and chipped it....still nothing major in terms of mpg. City driving just stinks for these vehicles. HWY I got a respectable 17 mpg over 1200 miles.

07 Jeep Commander 4.7L FFV 4X4, 4" Superlift, BFG 285/70/17 KM2's, 4xGuard Front / Belly / Side /Diff Guards, CAI / Catback, Jet Stage 1 Chip

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post #10 of 44 (permalink) Old 06-30-2010, 08:22 AM
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K & N Filter. Modest gains. Sounds good, better throttle response.


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