3.00 inches with 2.500-inch reducers included.
While there isn't a widely recognized "write-up" for a file specifically named , the identifier G9011 most commonly refers to Summit Racing Painted Full-Length Headers Go to product viewer dialog for this item. g9011.mp4
. If you are looking for an installation guide or technical overview related to this part number, here is the technical breakdown: Product Overview: Summit Racing SUM-G9011 Headers Go to product viewer dialog for this item. g9011.mp4