I have a 2002 new holland tc40 diesel tractor. I like it its a good small tractor but I would like for it to have just alittle more power I can kill it scooping up dirt and I think alittle more power would be good. Its a non turbo motor and is rated at 40hp. The motor is a Shibaura N844 4cyl. I tried to do some research and find out some info about it but could not find much. I know there are some company's that make chips for them but I could not not find one for this small of a tractor. I didn't know if putting a straight pipe and a air filter would make a diff like on a truck. Any ideas????