New Ex..performace???
Senior User
Joined: Apr 2010
Posts: 194
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From: Stephentown NY
Hey just saw your post. Seems very few on here are into modifying for better performance. Usually get a response about how big and heavy it is and that its not a race car. That being said I enjoy playing with my 06 Navigator. Ive added a magnaflow 3" cat back exhaust and an SCT tuner the tuner made a big difference on how the truck feels and drives. They tune the throttle by wire for a much quicker feel. Even though SCT cant tune my 6 speed transmission it does shift out of high gear alot less so that would seem to indicate that the horse power increase is for real. Over all I like it and I like the way it drives and feels.
Senior User
Joined: Apr 2010
Posts: 194
Likes: 0
From: Stephentown NY
Actually it seems like it did. Ive only used the dash mileage as a gauge but when I'm not hammering on it like just going to work and back it is up about 2 mpg. might not seem like much but it makes me smile to see 16mpg and 17 if i"m not going over the hills here in upstate ny.
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As you can see by my signature that I have modded my older Expy a good bit. Made it alot more fun to drive. My wifes 03 Explorer with the 4.6 has shorty stainless headers, Magnaflow catback, K&N cold air intake and stage one cams. Picked up about 70 hp.
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sunbird79
1948 - 1956 F1, F100 & Larger F-Series Trucks
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Apr 9, 2013 10:10 PM
