baffled to straight pipes
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Road Master
Joined: Jul 2008
Posts: 1,004
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From: new jersey
baffled to straight pipes
I have v&h big radius 2 into 2 on my bike now with big city thunder baffles. I also have se heavy breather with the stage one download. If I pull the baffles out is there anything else I have to do to the bike? It's an 08 night train. Thanks.
Tourer
Joined: Mar 2007
Posts: 365
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From: Lake Hartwell/Anderson, SC
Do you really wanna pull the baffles? If I understand engines, they should have (need?) some back pressure that the baffles provide. Not to mention drawing undo LEO attention if it's too loud 
Club Member
Joined: Feb 2009
Posts: 10,959
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From: Back in Oz M8
I had Big City Thunder Monster baffles in my V+H Big Shot staggered on my 04 NT. The monster baffles provide virtually no sound baffling, but provide some back pressure so you don't lose torque. I would not run straight throughs as you will lose bottom and low end power and definately lose torque. In fact, I ended up taking the monster baffles out and replacing with the V+H "quiet baffles" after running with a guy on an old 80" glide who I couldn't pull away from! Pipes with back pressure (baffled) are far more streetable to ride = more fun to ride. Don't run straight through pipes, no-one will like you and your bike will be slower (unless you tune it specifically for top end horsepower and drag it, but you will not be happy on the street).
Tourer
Joined: Sep 2009
Posts: 269
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From: The seat of my pants.
Also, I agree with Wallaby on the performace. You're going to lose your *** on the stop light. I'd leave the baffle in. I don't think the big radius 2/2 is going to be much louder without the baffles as opposed to with the monster and the note probably wont sound as nice.
Road Captain
Joined: Jun 2009
Posts: 717
Likes: 1
From: Drexel Hill, Pa
I had that same set up on my '06 train with no baffels. The low end sucks. V-twins need some back pressure. Even after I had my cams done, the tuner said he would have to install baffels if I wanted the bike to have any low end power. It was just as loud but deeper with the baffels.
Cruiser
Joined: Jan 2008
Posts: 161
Likes: 1
From: Ohio
I took my baffles out of my v&h to get some sound but lost alot of midrange torque. Got the Big City Thunder baffle and regained my power and retained a nice rumble. I'd def leave them in.
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Road Master
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From: new jersey
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Ultimate HDF Member
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From: Leander Texas
you will loose your TQ and you wont be happy. also it will change your engine tuning unless you have auto tune like thundermax
i have 3 sets of baffles and one set gives me TQ and HP. the other gives me more TQ and quiet and the last set give me lot high end HP and deafness
i have 3 sets of baffles and one set gives me TQ and HP. the other gives me more TQ and quiet and the last set give me lot high end HP and deafness
Last edited by tk353; Sep 16, 2009 at 06:36 PM.
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