- Urgent DIY 6637 air filter warning! – Ford Powerstroke Diesel …
Hello everyone, I did a quick search to see if this was a widely known problem and didn't see anything, and I think people running the 6637 filter should know if they don't already. If every …
6637 DIY Intake filter install/change – Ford Powerstroke …
So I decided to do a quick write up on the 6637 DIY Intake. I have been seeing a lot of posts regarding this mod and I needed to change my filter anyway…
Switched to the "blue" Riff Raff proprietary 6637 air filter
Donaldson Blue® 6637 Intake Filter – Ford 7.3L Powerstroke I've read about these a little bit and thought I'd finally give one a shot after reading the positive reviews on their site now tha …
My 6637 filter experience – Ford Powerstroke Diesel Forum
I decided to install a 6637 filter (Wix 46637) in my 2000 F-350 to see how much the noise level changed. I had my wife take some video from the back seat while I did a few roll-ons from 30 to 60mph wi …
Best place to source a 6637 Filter – Ford Powerstroke Diesel …
Where are you guys buying your 6637 filters from nowadays? About $90 from riffraff after shipping $100 from napa local pickup. $175 from Fisher with a fleet discount (Baldwin Filter)?????? Scared to b …
Best Air Filter? – Ford Powerstroke Diesel Forum
I have had the riff raff 6637 filter kit with the 6637 filter iinstalled for three years and I recently switched to the Donaldson blue also from riff raffraff. It is an upgraded version of the basic 6 …
Max towing tire on lifted truck? Falken Wildpeak AT4?
Do you have a set of Toyos on now for towing? If so, what's your experience with what tire? I had a set of Toyo M/T in the past on this truck. Great off road tire and stiff sidewall so actually q …
napa 6637 mod – Ford Powerstroke Diesel Forum
did the napa 6637 air filter mod on my 2000 f350 that i bought a few months ago…..it makes a pretty good air swishing sound under medium to heavy acceleration when the transmission shifts….I' …
What tunes should I run on my PHP Hydra?
Hello, What tunes should I run on my hydra? – Best MPG tune for city driving? – Best MPG tune for freeway driving? – Best tune for towing? – Best "fun" tune? Also, feel free to tell me your …
DIY 6637 Vorteile – Ford Powerstroke Diesel Forum
Ich verwende einen 6637 und er hat mir gute Dienste geleistet, aber ich liebe ihn nicht. AIS ist ein viel besserer Filter, sowohl der Luftstrom als auch die Filterung sind gegenüber dem 6637 verbesser …
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