Originally Posted by jamey_c
i have just purchesed an 01 f350 crewcab long bed so far i have installed an afe stage 2 and superchip programmer (1805) after the filter install i cannot stand the turbo whistle it is continuous. i have also purchased a set of autometer gauges (boost,egt,trans.) i am having my tranny built as we speak with a suncoast converter and transgo tugger kit steel planetaries and 6 gear something i think a sprag. my question is i haul an 40 foot toy hauler and three harleys around 14k pounds i feel i need a downpipe, exhaust, and turbo help and considering propane but would like advise on all mods i do not want a lot of noise from neither turbo or exhaust and the spewing noise i am now getting has to go. any help please and sorry so long. thanks, jamey
Weclome to the site.
The 4inch turbo back exhaust will help with your egt's while your towing and all around keep the egt's lower then a stock exhaust will. I don't think you need the propane, may want to upgrade to a custom tune chip before you put money down on a propane kit.
Most intakes, and exhausts will give you more turbo noise. I am sure a vendor on here may know of an exhuast and intake that will keep your truck quiter then most 4 inch exhausts and intakes.
Most owners with these trucks like the sound of the turbo though.