Bagger with MR103 Cam
#11
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#13
it definitely doesn’t say it’s not for touring bikes any where I looked on their website. Also not sure why they would even hint at it’s not for touring bikes since it is a lower-midrange cam.
here is the description directly from S&S: “MR103 Camshaft Kit designed for '06 HD® Dyna and 2007-'16 big inch engines with intake and exhaust modifications. Designed as bolt-in cams for 103 CID engines with stock 9.7:1 compression ratio up to 10.5:1. Works well with stock, un-ported heads, but is great for S&S CNC ported heads. More power across the rpm range best results form 2500-5500 rpm.”
here is the description directly from S&S: “MR103 Camshaft Kit designed for '06 HD® Dyna and 2007-'16 big inch engines with intake and exhaust modifications. Designed as bolt-in cams for 103 CID engines with stock 9.7:1 compression ratio up to 10.5:1. Works well with stock, un-ported heads, but is great for S&S CNC ported heads. More power across the rpm range best results form 2500-5500 rpm.”
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2500hdon37s (05-01-2022)
#14
#15
No cats is a must tho. Aftermarket headpipes? Depends which ones I guess.
Somehow I get the distinct feeling you judge an exhaust by sound only tho?
Last edited by 60Gunner; 04-29-2022 at 07:06 PM.
#16
So when I had the stock head pipe on the bike with the screamin eagles it sounded great. It had a good tone and under full throttle it had a great deep noise and under decel it sounded fantastic.
I put a catless 2-1-2 head pipe on and immediately upon startup the bike sounded great. Deep and loud. Revving it was louder, way louder but couldn’t tell if it was bad or not. Under actual acceleration with more than 20% throttle it sounded terrible. It was raspy it crackled and was just an embarrassing noise. Under decel it was worse and I wasn’t having it.
I took it to my local dealer and discussed the issue and he said it was due to the design of the can itself. It was a straight through perforated design that was allowing the exhaust flow to not be controlled.
I switched to a spiral cut with fins that controls the exhaust and sounds great.
yes I judge an exhaust by the sound. That is the reason that we put these on. To make the bike SOUND better. It also has a performance advantage and I was not getting any performance advantage with the setup I had so I went to a setup that sounds good and has advantage.
I put a catless 2-1-2 head pipe on and immediately upon startup the bike sounded great. Deep and loud. Revving it was louder, way louder but couldn’t tell if it was bad or not. Under actual acceleration with more than 20% throttle it sounded terrible. It was raspy it crackled and was just an embarrassing noise. Under decel it was worse and I wasn’t having it.
I took it to my local dealer and discussed the issue and he said it was due to the design of the can itself. It was a straight through perforated design that was allowing the exhaust flow to not be controlled.
I switched to a spiral cut with fins that controls the exhaust and sounds great.
yes I judge an exhaust by the sound. That is the reason that we put these on. To make the bike SOUND better. It also has a performance advantage and I was not getting any performance advantage with the setup I had so I went to a setup that sounds good and has advantage.
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98hotrodfatboy (04-30-2022)
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