Monaco Windsor RV with 8.3L Cummins CAPS
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Monaco Windsor RV with 8.3L Cummins CAPS

I installed the AirDog myself with the help from the AirDog staff on the phone! The AirDog system has fixed my problem which was downrating my engine. My RV definitely runs much better. My RV is powerful again! My SilverLeaf system is already showing a 2 mpg increase with only a couple hundred miles. I replaced my stock lift pump 3 years ago. I wish I had known more about the CAPS fuel system. I would have put the AirDog pump in at that time. Every stock system needs this upgrade!

Edward M.
Orrville, OH
Purchased May 2021

2001 Rambler Endeavor Cummins ISC 8.3
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2001 Rambler Endeavor Cummins ISC 8.3

The engine seems to idle more smoothly and quieter. No leaks at all. I want to say hats off to you guys for putting together such a complete kit as well as instruction manual.

Cliff Bass
Halifax, NC
10/13/21

2017 Volvo VNL 780 D13
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2017 Volvo VNL 780 D13

Great service and support. Purchased the AirDog and Champ II systems for our Volvo VNL 780 semi truck. Products were excellently packaged, well documented and everything needed to do the job correctly. First time ever that a company followed up on the purchase and installation! Installation kit for a Volvo VNL D13 engine was perfect and correct.

Altair7 Transport LLC
Roberto Morelli
San Miguel, CA
1/27/21

2003 379 Peterbilt Caterpillar 6NZ 550 HP
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2003 379 Peterbilt Caterpillar 6NZ 550 HP

Thank you for the fast delivery, and the tech and secretary I talked to were both very helpful. I have it installed on my truck and man, the difference that it makes at an idle. Can’t wait to see what it does driving down the road. Thank you.

Michael McAllister
Great Bend, KS
1/30/21

2016 Mack CHU613 MP8
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2016 Mack CHU613 MP8

Got the unit installed. Smoother idle, throttle response, and peace of mind of 2 more filters. I did have to order some fittings, hose, etc. as I couldn’t fit the unit on the frame, but found an excellent spot and the install was as easy as possible. You make a quality product and I have recommended to a few friends.

Marcus Koch
Alma, AR
2/15/21

2006 Single Turbocharged ACERT
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2006 Single Turbocharged ACERT

Installed an AirDog on my 2006 Single Turbocharged ACERT this week. -10° to 30° above zero had absolutely no effect on my typically finicky engine. Unbelievable improvement in all around performance. While I fully suggest keeping up on all bypasses and filters in a stock system for peak performance, this system is a no brainer for reliability and consistent performance from your Caterpillar engine. I’m beyond impressed with performance and also the ease of installation. Quality second to none!

Anthony Cain
LA Transportation Services
Fairfax, VT
2/26/21

2009 Volvo VNL D13
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2009 Volvo VNL D13

Noticed immediately the throttle response is great! My fuel mileage hasn’t come up much, but hoping that will improve over time. The engine idle is smooth and it’s noticeably quieter. I am very comfortable with the purchase.

William Padilla
Monticello, IL
7/15/21

2016 Volvo DD13
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2016 Volvo DD13

I want to thank you for your product. Engine is smoother, better throttle response, fuel economy increase is about 1/2 mpg, and thanks for helping with install questions.

Howie Crawford Trucking Inc.
Lancaster, NY
10/13/21

4 Kenworth Trucks – 3 Caterpillar and 1 Cummins Engines
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4 Kenworth Trucks – 3 Caterpillar and 1 Cummins Engines

We do all of our own installations at our shop in Kimbolton, Ohio. In terms of throttle response and engine idle, we have noticed better pick up and better pulls on the hills. We track fuel mileage and have had about 0.5 mpg increase. We have also noticed longer time period between filter changes and better start up in cold weather.

Bell Boys Trucking
Kimbolton, OH
10/13/21

2016 Volvo 780 D13 Engine
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2016 Volvo 780 D13 Engine

I am very happy with the product. I completed the installation myself – it was a very simple install. I have noticed an improvement in throttle response and smoother engine idle. I track fuel and DEF with fuel gauges and DEF mileage did increase.

Ian Kirk
Sweet Grass, MT & Crossfield, Canada

AirDog