SPD Performance's New 2011-2016 Insane Turbo Whistle Packages with GX Series Cat-Back Exhaust has shattered all expectations! Same beautiful turbo whistle with less in-cab drone and high rpm rasp. This package is a complete turbo, downpipe and exhaust upgrade that will make every turbo enthusiast jealous. Please visit our website for more info.

2011-2014 F-150 3.5L Ecoboost P/N W35F1114HFC
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2015-2016 F-150 3.5L Ecoboost P/N W35F1516HFC
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