Quiet Exhaust?!
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Senior User
Joined: Sep 2003
Posts: 109
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From: Dallas
Quiet Exhaust?!
The muffler shop near my house said that removing my cats and replacing them with one high flow and replacing my muffler with a flowmaster would free up some horsepower.. My friend has a flowmaster on his F150 and it has too much humm(sounds weird and annoying) at low and mid RPM's. Does anyone have any experience with something that is quiet at low and mid RPM's but with a decent rumble at higher revs????
Elder User
Joined: Nov 2003
Posts: 630
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From: Stanly County N.C.
I am running the 50 series performance/suv muffler with no cat and like it. Fairly quiet at idle and cruise but noticeable when your stepping on it. On a steady highway run you can barely hear it, it was designed not to have that annoying drone many have.
Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
Originally Posted by carfreak113
Along a similar vein. What should I expect to spend to have someone change my cats to a one cat system and plumb the whole thing past headers??
well depends on the shop really. I had a shop that i thought was good do my exhaust from the headers back. 3" pipe single outlet with flowmaster but i kept the cats due to cost. it ran me $250. if i remember right to replace the cats was gonna be 450 total. so i chose not to at the time.
but that shop sucks wont take anything back to them again. it was a real butcher job. gonna take it to another shop and expect to pay around $400+
so remember you get what you pay for .
late
Senior User
Joined: Sep 2003
Posts: 129
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From: Jersey
wheelMA1...I was thinking of the same exhaust set up...why did you have to cut the y pipe for the gibson cat...I thought these things were supposed to replace OEM parts?
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Joined: Oct 2002
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From: MA
When I first replaced the exhaust, I went with the complete Bassani system, so I never measured to see if they were OEM bolt ins. The Gibson muffler is quite a bit larger than the Bassani one, but kept the basic over the axle bend to it. That pushed the whole assembly forward.
Rich
Rich
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