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Another option is to buy the D&D complete 2-into-1 exhaust system. Not a cheap approach, but pretty much just bolt on. They're in high demand now... a bit of a wait.
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• 2010 Road Glide Custom FrickenLoveToRideX in Black Denim paint with ABS and Cruise
Will this change the O2 readings and cause the check engine light to come on? Over the years I have done this to cars and the check engine light would come on. The code would be low cat performance.
Will this change the O2 readings and cause the check engine light to come on? Over the years I have done this to cars and the check engine light would come on. The code would be low cat performance.
No and the ECM will also adjust for the difference in air flow also according to the techs I talked to.
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2008 Vivid Black Road King Classic
2010 Vivid Black Street Glide
The Cost of Freedom is Not Free....Let Us Never Forget
Drilled mine in the 2010 SG today and my buddy drilled is in his '09 CVO RG. They both went very smooth and easy and could tell a difference in both sound and heat off the exhaust now that it can breath like it should.
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2008 Vivid Black Road King Classic
2010 Vivid Black Street Glide
The Cost of Freedom is Not Free....Let Us Never Forget
Don't drill out the Cat. You can't get it all out. Send it to fullsac (www.fullsac.com) they'll cut the headpipe and remove all of the cat for a very reasonable price. While you're at it, have them recore your mufflers too. It makes a BIG difference. Do a SERT or PC or TTS dyno tune to get the AFR right and you're good to go.
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Vivid Black Flhx 2009 Phyton Predators, sest, ac, lower fairings, solo seat and bling
Vivid Black Fxdl 2000 Sold
Vivid Black Flstc 1996 Sold
