10 More Questions

Just purchased a 2019 GMC Sierra 5.3L SLT with 4WD and I'm itching to start power and brake mods. Anyone spec'd out the new for 2019 model (with the 8 speed transmission and dynamic fuel management) for compatibility with this Kit? If not, any idea when or if this might happen? 1 answer

• As soon as we are able to confirm compatibility with the setup, including the actual PCM itself, we will adjust the listing. At the time of my writing it is not yet designed to work with the 2019 model year. The tune is typically the biggest issue for the supercharger itself.

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How would this hold up in the GA heat and humidity in the summer time 1 answer

• This kit will be fine in the GA heat.

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Is there any computer changes needed to my 2014 GMC 1500 sierra, 5.3L 1 answer

• This will require a custom tune after installation.

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What is the difference between this and the W175FF Tuner Kit? Does this kit not have the Tuner? 0 answer

Will this supercharger fit under a stock hood of a 2015 silverado 1 answer

• This would work with the factory hood yes.

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I have a 2018 Sierra Denali with a 6.2 L how much this Whipple W175FF 2.9L Intercooled would affect my MPG? Thank you 1 answer

• Fuel economy will be relatively unaffected during normal driving. Fuel consumption will be significantly higher if you are accelerating rapidly at wide open throttle or towing heavy loads.

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Once Installed, will I need to make any changes or will I be able to make changes for DEQ emissions test? or does it not matter? 1 answer

• The Whipple W175FF 2.9L Intercooled Supercharger Kit is a complete kit and will require no changes other than what is included in the kit. Unfortunately we are not aware of a DEQ emissions test, so we have no available information on this.

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Is this kit California legal? If so is there a specific tune I'd need to run at smog time 1 answer

• This kit will not be CARB legal.

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Will I need to program ECU? Will vehicle pass emissions testing? I see HP and torque rating, what is fuel mileage estimate? 1 answer

• The Whipple W175FF 2.9L Intercooled Supercharger Kit will absolutely require tuning to your vehicles computer in order for safe and proper operation. Depending on the state you reside in, this system may or may not pass an emissions test but will vary from state-to-state.  We highly recommend consulting with you state regulations on emissions to confirm if this is legal in your area. You can expect to lose a few miles per gallon when converting to a performance based supercharge system but you should expect to lose about 4-5 MGP but can vary depending on the tune equipped on your Mustang. 

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Will this kit work with the auto stop and start feature? Can it be dissabble? 1 answer

• The Whipple W175FF 2.9L Intercooled Supercharger Kit can be used with the auto stop/start feature. If your truck has a disable switch for this, it can be disabled and enabled.

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