Reviewed By Sean M (Alton, ME) Reviewed for a 2011 GMC Sierra —3/21/2018 6:03 AM
Everything fit perfect, directions were thorough and easy to understand.
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Reviewed By shawn K (FORT HOOD, TX) Reviewed for a 2011 GMC Sierra —2/3/2018 9:42 AM
Works great my engine can breath now, a noticeable difference in power and throttle response. Only thing is the instructions, vague and a little unclear. Overall a great product would recommend. Although FedEx delivered it to the wrong house twice, should change shipping company.