Y - Pipe
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Junior User
Joined: May 2003
Posts: 77
Likes: 1
From: Lake Mills Iowa
Y - Pipe
I looked under my 99 v10 last week and couldn't believe the y-pipe , would getting a custom one made and installed help or hurt the truck's mileage or running in general ? Right now the truck has stock system but the muffler was removed . Fred
Mountain Pass
Joined: Mar 2004
Posts: 242
Likes: 3
From: Gt. Falls, MT
I had a custom one made and put a flowmaster in it and do not regret it one bit, I kept my stock tail pipe, and exhaust manifolds though, I' m contemplating putting in the dual pipe system right now 
Junior User
Joined: Jun 2004
Posts: 54
Likes: 0
From: winston, Oregon
my dirt bike has a bigger pipe on it . Im in the prosess right now of putting a dynomax system on , ive got the headers on and the new y-pipe , but have to finish the rest maybe today , i did tear the rearend apart to change gears from 373 to 430s and noticed that a carrier bearing was bad, so in waiting for a bearing kit . i`ll let you know how it goes when its done.
