GTP38R
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Powerstroke Doctor
Joined: Aug 2002
Posts: 474
Likes: 0
From: Loxahatchee, FL
GTP38R
Well installed the a gtp38r and bellowed up pipes today. 
All I can say is..... WOW! The whistle is perfect and and the pulling power is awesome! I see my fuel mileage going way down for a few weeks tho, can't get enough of the sound lol.
All I can say is..... WOW! The whistle is perfect and and the pulling power is awesome! I see my fuel mileage going way down for a few weeks tho, can't get enough of the sound lol.
Lead Driver
Joined: Sep 2005
Posts: 9,399
Likes: 188
From: Norco,CA
Glad you like it. Its what I want to. I'm not sure I'm going to like any extra noise though.
Can you here it with the windows up, or just out the exhaust. The pickup I drove in you couldn't here it at all with AIS airfilter. Thats going to have to be the way I go. Glad you like it. Whats your new boost numbers.
Chet
Can you here it with the windows up, or just out the exhaust. The pickup I drove in you couldn't here it at all with AIS airfilter. Thats going to have to be the way I go. Glad you like it. Whats your new boost numbers.
Chet
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Powerstroke Doctor
Joined: Aug 2002
Posts: 474
Likes: 0
From: Loxahatchee, FL
I can still hear it pretty good with the windows up. I have the 6637 tho. I think my boost line got crimped cause its only going up to 5 psi so I am going to look into that tonight.
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