Shield reduces turbo lag, improves HP for the F-Series Power Stroke™ equipped with a GTP38R Avon Lake, Ohio (June 27, 2016) …DEI’s popular Titanium Turbo Shield™ is now available for the Garrett® GTP38R turbocharger. The GTP38R turbo, developed for the F-Series Power Stroke™ diesel equipped engine, greatly improves HP but can generate excessive radiant heat… Continue reading DEI Introduces Titanium Turbo Shield™ for the Garrett® GTP38R Turbo