Im trying to replace it on '07 780 with Walker Megaflow. I was told its 9in diameter, but it looks to me like its a 10in. Anybody knows?
Muffler size
Discussion in 'Volvo Forum' started by me myself and I, Aug 17, 2014.
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The common size is 10" outside diameter with 5" inlet and outlet.
Most 9" diameter mufflers are on midsize trucks with 4" inlet.
Though Volvo trucks are different in so many ways. -
My 2007 670 is 10"
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Yes it 10 inch
the best place to buy Walker muffler. Summit racing. Bought mine for. 109.00 that was ship to my door.
Comes with a 5 year Rust through warranty -
Thanx. I am going to get it from Summit Racing. Cant beat the price
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Still the same price, mine arrived in 2 days. Unbeatable.
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How much of a difference will this new muffler make in terms of Horsepower ans MPG? Curious because I'm thinking of upgrading my 98 Volvo with a new exhaust pipe.
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I'm also interested in changing my muffler this summer when I change the pipe under the cab.
Should I consider changing my 5" single exhaust to 6" size for decreased resistance and fuel mileage improvement?
Thanks -
Just a quick fyi they got the same muffler on eBay for same price and from summit lol just incase your used to using eBay like I am😄 here's the link guys
http://pages.ebay.com/link/?nav=item.view&alt=web&id=191535496303
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