I have a 2005 softail 88 cubic inch what needs done to make it a 96 cubic inch

 

Pistons and boring your stock cylinders; and take it to 98", no reason not to....

 

I don't have to change cams or anything with the fuel injection system?

 

You'll get more out of it if you do change cams. Which cam depends on your riding style.
Be honest with yourself and your builder. I recommend Scott at Hillside Performance. They fixed me and many others in here with a well put together 98" kit.

 

I changed my front pully to lower my rpms sense I have a 5 speed but now my buddies with 96 and 103 motors pull away with ease. Not talking about racing talk g about traffic lights and passing on feeeway. I'm always having to catch up

 

Get an upgrade kit......or......... find a nice used low mile take out motor and install it. About the same amount of $$$ either way.

 

Up grade kit?

 

The simplest answer is to find either a local indy, or contact one of our engine experts like Scott, as QC suggests. They will talk through what you want to achieve and recommend a suitable mix of parts. By increasing bore size it is usual to also increase compression ratio, which in turn will give better results with fresh cams. To finish off the build and get the most out of it will require a tuner, to correct fuel ratios and, if necessary, ignition timing. Someone like Scott will have a proven package that will give great results and supply all the parts to do the job.

 

Cams will give better results with increased cubic inches and your EFI will definitely need adjustment.

 

Ok I have the vance an Hines furl pak on it now . Will that one work .