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[SILVER ROAD KING]

Guys I have a ThunderMax on my 04 and It has worked great but if you really want to get the most performance out of it you will have to put it on a dyno it is only going to tune within the parameters that is set in the map that you select or the one they load in it before it is sent to you. I had to call T Max a couple of times after the first install to change a few things the bike did not like about the map that was loaded from them they told me to get in touch with the guys at tmanperformance.com I called him and he confirmed what they said. Since he was not close to me I used Chris Waddel from Cycle Solutions to tune it the difference is outstanding! like getting on a different bike. My bike has had several things done to the engine I wont get into but before the Tune on the Dyno 35 to 38 mpg after the Tune it is getting 41 to 43 depending on how hard I ride it. With all that being said for my 2 cents it is well worth getting tuned on the Dyno.

[jonandflo]

I believe you can install the 2009 style exhaust systems on the 2010 models, and then use the thundermax unchanged. I don't think thundermax will ever make this system to fit the smaller oxygen sensors in the 2010 models because of the location of the sensors. They are quite far from the exhaust valves, and the system will function better with the sensor near each exhaust port. The 2010 models have the sensors near the crossover section of the exhaust where mixing of exhaust gases from both cylinders is likely. Call Vance and Hines and see if their 2009 power dual exhaust won't be an exact fit for your 2010 bike. That exhaust system has the old size oxygen sensor bungs where they belong and works GREAT with my thundermax. You could also call Zippers Performance directly and verify what I'm reporting here.

[mjb765]

I called Thundermax toady questioning about using it on my 2010 SESG and was told that the 09 V&H pipes have the sensor bungs in a different location and there is a problem. Not a performance issue, but that the TMAX sensors may hit the top of the trans since they are bigger than stock HD sensors. Just my $.02

[africa al]

Well pleased to anounce that I now have my Thundermax Autotuner Installed on the bike. After taking advice from this site I returned my 2010 head pipes with 12mm bungs and ordered the 2009 pipes with the original 18mm bungs. Then just fitted the HO  V&H Mufflers. 09 Pipes fit no problem to the 2010 model. Bike runs great and I am realy pleased with these mods to my bike. Money well spent

[mjb765]

Glad to hear it....I am planning a TMax for later this summer or over the winter.

[Jester_Red07]

So if I put V & H TD head pipes on my 07 CVO , Will I need to order the 09 head pipes to work with my Tmax AT

[guppytrash]

So if I put V & H TD head pipes on my 07 CVO , Will I need to order the 09 head pipes to work with my Tmax AT

No.  But you will need to get the Tmax for a 2007.
2008-2010 throttle by wire.  2010 has different O2 sensors and that is why he needed an 09 exhaust. 

[vmi75man]

S&S make dual headpipes with 4 bungs so they can be used on either 2009 or 2011 models.  Use that if you have a later model and all you have to do is remove the sensors, plug the bungs, put in thundermax, sensors, etc. and you are good to go.  Then you can change back to HD unit any time you want.