New Edelbrock 304 Series Mufflers For Applications With Minimum Clearance Made from high-quality 304 stainless steel, Edelbrock 304 Series mufflers are now available for vehicles with minimum ground clearance. These new mufflers have 2-1/4" inlets and outlets to accommodate applications with little space for high-performance mufflers. Available now with 2-1/4" center in/out inlets/outlets #5556, center in/offset left outlet #5557 and center in/offset right outlet #5558. As with all Edelbrock mufflers, the high-flow core design delivers an awesome sound. Go to the Edelbrock web site at www.edelbrock.com/exhaustsounds to hear it for yourself. Constructed of stainless steel inside and out, Edelbrock mufflers are extremely durable as well as powerful. Made in the USA at Edelbrock's facilities in California, these mufflers are included in Edelbrock Cat-Back Systems for a complete kit that's available for popular trucks, SUVs and some passenger cars. Download photo. Contact: Bill Groak, Pacific Communications Group (310) 224-4940 (bgroak@paccomgrp.com)