Porter’s “Shorty Offset” Mufflers Road Race 3L Vortec Cast Iron Block

3L Vortec Cast Iron Block (3

Also includes PCM with a base tune with other tuning options available

Head Only #317

New Pistons

010 Crank Kit

Porter’s “Shorty Offset” Mufflers Road Race 3L Vortec Cast Iron BlockThe Porter Shorty Offset Mufflers are for those who are replacing turbo mufflers with offset inlets and or outlets that were commonly found on the 1960s muscle cars. They feature a 14 body length and 20 overall length so they will easily fit within the muffler pockets of cars originally equipped with oval mufflers while maintaining the original exhaust pipe routing. The offset Porter Muffler is offered in two options for your offset needs, 11 degrees