Flowmaster latest version of its popular Super 10 series muffler is now offered in a crossflow design. This 409S stainless steel muffler is designed to be mounted transversely and has a 2.50 inch inlet and dual 2.50 inch outlets. Like All Super 10 series mufflers, this single chamber design delivers a powerful and aggressive tone inside and outside of the vehicle. This muffler is built in the USA and is backed by Flowmaster lifetime limited warranty.