Like regular Hedman TURBO Mufflers, these Hedder Mufflers are high quality turbo-style mufflers. They come from the factory with a 12" head pipe welded on, and an integrated collector.
 
Part # ProductCollector SizeCollector StyleExhaust System Dia Media
25660 Turbo Hedder Muffler for 2-1/4" Exhaust System; 3" 3-Bolt Triangular Collector 3"3-Bolt Triangular2-1/4"
Photo
$65.22
25662 Turbo Hedder Muffler for 2-1/2" Exhaust System; 3" 3-Bolt Triangular Collector 3"3-Bolt Triangular2-1/2"
Photo
$66.78
 
http://hedman.com/images/ePIM/original/25660.jpg
http://hedman.com/images/ePIM/original/25662.jpg