Found some parts from a previous build from years ago that I never used. A Flowmaster 40 Series muffler. Part #43043. 3" offset inlet/3" offset outlet. New never used or even bolted up. $40 + shipping. Also a Flowmaster 2 into 1 Y pipe. Scavanger Series. Part #250300A. 2.5" inlets into 3" outlet. New never used or even bolted up. $30 + shipping. Last...A plain set of 2.5" 3 bolt collectors. New never used. $12 + shipping. I use USPS and only charge you what they charge me.