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2009 GMC Sierra Air Intake Systems

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Latest Customer Reviews

K&N 77 Series Metal Intake Kit Reviews


Excellence

Reviewed By Jose V (LAS CRUCES, NM) Reviewed for a 2009 GMC Sierra —12/4/2017 8:55 PM

I will be totally honest, since the purchase of this K&N Intake my horsepower has gained drastically. I have spent more fuel, but ONLY due to the fact that I have not been able to get my foot off the accelerator with increase of horsepower. I felt it immediately as soon as I got on the road. Very satisfied customer, despite all the opposing criticism that nearly convinced me to not place this purchase.

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Airaid PowerAid Throttle Body Spacer Reviews


2009 GMC Sierra

Reviewed By Cameron S (Milledgeville, GA) Reviewed for a 2009 GMC Sierra —4/25/2017 10:17 AM

Install was fairly simple. Can't tell a huge difference but there is one there especially with the jet throttle body and spectre air intake.

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Jet Power-Flow Mass Air Sensor Reviews


P0101 error code.

Reviewed By John L. B (GAINESVILLE, TX) Reviewed for a 2009 GMC Sierra —9/27/2016 9:13 PM

Dealer cleaned the stock sensor, but codes continued to come and go. I saw in a comment section of one of the Duramax discussions that the problem might be more frequent in EFI treated engines. I therefore purchased this, installed it and 4 weeks later have not had a code show. The engine is a bit peppier.

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