Exhaust turn down
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Junior User
Joined: Apr 2004
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Exhaust turn down
I have a 2001 Crew cab long bed. I have noticed that the exhaust can be disconnected pre-muffler where the cab meets the bed under the truck. My question is if I put a turn down elbow where I disconnect the exhaust will it quiet the loudness of the straight pipe down? I may also be concerned the the exhaust will be under the cab of the truck? Has anyone done this? Any thoughts? I want to make it simple, so if I don;t like it, I dont have to go to the muffler shop to change it.
Postmaster
Joined: Feb 2002
Posts: 2,773
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From: Bonney Lake, WA
Installing a turndown in that location won't help the volume level in the cab much, since the exit will be right under you, basically. A turndown at the stock location would point the sound away from you, but it wouldn't help much in your situation. Also, having the exhaust exit under the truck would be a concern, especially when stopped if the windows were open. A better, though slightly more expensive option, would be to put a 90* elbow on, and aim the exhaust out the side, in front of the rear wheel.
New User
Joined: Jun 2004
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i just took my muffler of where it unbolts yesterday. get a turndow for only one reason. the black smoke caked my axel. i am getting a turn down tomorrow. loud as no other. but one thing i noticed was a little more top end power.
New User
Joined: Jun 2004
Posts: 14
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i just took my muffler of where it unbolts yesterday. get a turndow for only one reason. the black smoke caked my axel. i am getting a turn down tomorrow. loud as no other. but one thing i noticed was a little more top end power. it also just lets the smoke billow out from under my truck. i have not noticed it stink up the cab nor have i even smelled it sitting at a light with all four windows down. i am happy. but is it bad for my engine???
New User
Joined: Jun 2004
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hopefully it will cake the pavement after the turndown is put on. i might not even worry about the turndown. just going to do it right in a month or so and get a REAL exaust system from the turbo back. any recommendations? just have a 55 horse powerchip and k&n filter. also anyone have any recommendations for high performance injectors? i have the money for it saved and am ready to upgrade but dont know which injectors to get?
Senior User
Joined: Mar 2004
Posts: 152
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From: Central Texas
Along these lines I'm curious. I was once told for every bend you lose about 5% of flow potential. (Mandrel bent I'm assuming.) Anyone have any experience/numbers/thoughts regarding this?
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