True duals to 2 into 1. Retune? - Road Glide Forums
Intake and Exhaust Intake and Exhaust Systems for Road Glides

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post #1 of 5 (permalink) Old 07-28-2019, 09:21 AM Thread Starter
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True duals to 2 into 1. Retune?

So I eventually want to get rid of the Vance and Hines true duals on my bike now and go to a 2 into 1 pipe. I have someone that might be interested in trading me a Rinehart 2 into 1.

First question is will I need a retune? I know it won’t be optimal without one but can I ride out the season in a safe state of tune with the exhaust change? Second question, how is the Rinehart 2 into 1 pipe? I never really looked into it for some reason and it doesn’t seem as popular as some of the other 2 into 1 pipes.
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post #2 of 5 (permalink) Old 07-28-2019, 10:25 AM
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Yes, you will need to re-tune it. What are you running for a tuner? Personally i would go with a D&D or now that I have had a taste of the S&S Sidewinder I would even recommend that one. I have always seen the Rinehart 2-1 system and even heard of a few people running them, but personally I have not been a fan of their products. This is of course just my opinion.

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post #3 of 5 (permalink) Old 07-28-2019, 02:58 PM
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Yup. Will need a new tune. If you have the capability, a canned map will get you through to save a few bucks,bir if your tuner has an auto tune even better to run that after loading in the canned map.. But should look into a good dyno tune.

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post #4 of 5 (permalink) Old 07-28-2019, 04:25 PM Thread Starter
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Yeah I’m going to put this on the back burner. Thanks guys. The previous owner had it tuned with a techno research directlink. I do have the USB key so I can get it retuned but I’m not going to mess with a perfectly good running bike in the middle of the riding season.

I will just buy the exhaust I want in the fall and get everything done at once instead of half measures. Thanks again for the help guys. Saved me from making a mistake.
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post #5 of 5 (permalink) Old 07-29-2019, 02:58 PM
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I recently changed from Rinehart duals to a Rinehart 2-1 on a 2009 RG - The bike was just a stage I with XIEDs installed - I have not installed a Tuner yet although a Thundermax is in my near future - The bike runs fine without a retune although I'm sure it will benefit from a tuner soon. I feel like I picked up a little more torque but that's just my opinion - good luck with yours - I think you'll like it

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