Exhausts that slip OVER the header

Our sizing for Style 1 is the measurement the exhaust will slip over.
Example: Style 1 45mm exhaust will have a 45.5mm ID inlet to slide over headers that are between 44mm OD to 45mm OD

Designed to slide over the header and clamp around the header to form a seal. These exhausts have relief cuts on the end caps and comes pre-assembled with a clamp.

Style 1 is for headers with an exhaust that slides over the header. The relief cuts and clamp are on the exhaust side.