We have the experience and the equipment to port or otherwise modify your intake.

Porting and polishing are difficult tasks to say the least. When done correctly the air flow will complement the cylinder head and maximum performance can be achieved. Many popular single or dual plane manifolds can have, on average, losses equalling 50HP or more. Correct selections and modifications are vitally important to getting the most out of your engine. Stiegemeier's can help you understand this "gray area" and assist you in making the proper choices. Call us or e-mail us with your specific requirements, concerns, or questions