Dirty Bird Up Yours Exhaust. This exhaust makes 7659 HP and 8823 torque when paired with either the Max Flow or Curves air cleaner also available online. The Up Yours Harley Performance Exhaust was designed John Shope to increase horsepower and has a high performance baffle for back pressure perfect for your touring big V-Twin or Milwaukee 8.
The Up Yours Harley Performance Exhaust was designed John to increase horsepower and has a high performance baffle for back pressure perfect for your touring big V-Twin or Milwaukee 8. Check out our latest creation. Has a high performance baffle for back pressure.
More info and parts for H-D Indian at Dirty Bird Concepts Tel.
Order online or for general questions contact us 623 465-5263. High quality motorcycle parts made in the USA. Dirty Bird Concepts. Dirty Bird Concepts offers the best in custom bagger parts for your Harley Davidson and Indian Motorcycle.