The exhaust can be made exactly the way you want. You can have it made from 2.5 inch piping, to 2.75 inch, to 3 inch piping, stainless steel tips, titanium tips, black tips, carbon tips. Some options will cost extra, but whomever is interested, PM me. The first 10 people who are 100% interested will get a discounted price. As soon as the GB reaches 10, i will send a PM to the people listed below.