*Discontinued* 2007-2010 Duramax 5" SS Filter Back Exhaust System - No Muffler (SD-6.6EX07)-Filter Back Exhaust System-Sinister-SD-6.6EX07-Dirty Diesel Customs
*Discontinued* 2007-2010 Duramax 5" SS Filter Back Exhaust System - No Muffler (SD-6.6EX07)-Filter Back Exhaust System-Sinister-SD-6.6EX07-Dirty Diesel Customs
*Discontinued* 2007-2010 Duramax 5" SS Filter Back Exhaust System - No Muffler (SD-6.6EX07)-Filter Back Exhaust System-Sinister-SD-6.6EX07-Dirty Diesel Customs
*Discontinued* 2007-2010 Duramax 5" SS Filter Back Exhaust System - No Muffler (SD-6.6EX07)-Filter Back Exhaust System-Sinister-SD-6.6EX07-Dirty Diesel Customs
*Discontinued* 2007-2010 Duramax 5" SS Filter Back Exhaust System - No Muffler (SD-6.6EX07)-Filter Back Exhaust System-Sinister-SD-6.6EX07-Dirty Diesel Customs

*Discontinued* 2007-2010 Duramax 5" SS Filter Back Exhaust System - No Muffler (SD-6.6EX07)