Borla Exhaust
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Senior User
Joined: Jun 2002
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From: High Bridge USA
Borla Exhaust
Has any one installed the Borla dual exhaust for a PSD? I'm still trying to decide which exhaust system Banks, Borla, flowmaster. I will replace the downpipe, but want a good sounding, economy improving system.
Any thoughts, I have been through the other exhaust threads but don't recall anything about the Borla system for diesels.
Any thoughts, I have been through the other exhaust threads but don't recall anything about the Borla system for diesels.
Postmaster
Joined: Feb 2002
Posts: 2,773
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From: Bonney Lake, WA
Borla Exhaust
I don't know what model year your truck is, but for the pre-99's, Banks doesn't recommend a change from the stock muffler until you get to the "top of the line" kit. Flowmaster's design is not a straight through muffler, so I wouldn't expect it to be much less restrictive than stock for a SuperDuty, and it would be more restricitive than the stock muffler on a pre-99, since those were straight through. If you want minimum restriction, go to a larger diameter pipe, and get a straight through muffler. Donaldson makes a 4" straight through muffler for about $65.
Postmaster
Joined: Feb 2002
Posts: 2,773
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From: Bonney Lake, WA
Borla Exhaust
Assuming the stock muffler on an Excursion is the same as on a SuperDuty pickup, your stock muffler isn't a straight through desing, so a Flowmaster would probably be an improvement, but not as much as going to something straight through would be.
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Senior User
Joined: Jun 2002
Posts: 180
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From: High Bridge USA
Borla Exhaust
Thanks again and yes so far most of the parts with the exception of interior have been stock 250/350.
I have talked to the Banks folks and they have a replacement exhaust specificfor this vehicle. When I saw the Borla system is looked intereseting, but I think I'll do a bit more looking before I tackle the exhaust.
I have talked to the Banks folks and they have a replacement exhaust specificfor this vehicle. When I saw the Borla system is looked intereseting, but I think I'll do a bit more looking before I tackle the exhaust.
