GM & Workhorse Stepvan Exhaust Systems

• 

  Manifold Studs - 2 Per Pack

  SKU: 57-480

  Manifold Studs - 2 Per Pack

  $6.38

   
• 

  Left Exhaust Manifold with Gasket & Hardware

  SKU: 57-369

  Left exhaust manifold with gasket & hardware

  $127.14

   
• 

  Exhaust Manifold Flange Bolts

  SKU: 57-391

  Exhaust manifold flange bolts

  $19.95

   
• 

  Manifold Bolt Kit

  SKU: 57-395

  Manifold Bolt Kit, 12 pcs. Fits 6.0L. Bolt Size: M8-1.25 x 30M.

  $14.95

   
• 

  2-1/2" Aluminized Flat Style Band Clamp with Hardware for Exhaust Pipes

  SKU: 57-111-250

  2-1/2" Aluminized flat style band clamp with hardware - Used with 2-1/2" diameter exhaust pipes

  $9.39$7.98

  Special 8 available.
• 

  2-1/2" Bottom Clamp Bracket

  SKU: 57-262

  2-1/2" Bottom clamp bracket.

  $4.95$4.21

  Special Sale

Mill Supply's GM/Workhorse exhaust system line covers a vast amount of applications and it keeps on growing. We stock parts that fit from 1976 chassis' to today's most current chassis'. We also carry parts for the 1982-1994 6.2L diesel chassis as well as the 1995-present 6.5 liter diesel chassis. We make it a priority to be able to have the parts you need no matter how old or new your stepvan may be.

Our newest addition to our GM/Workhorse line is a two piece Y pipe. It fits the 4.8L and 6.0L Workhorse gasoline chassis'. Our staff designed this new Y pipe to eliminate the "football flange" design which is known for causing cracking by the manifold. The cracks by the manifold are a result of the flange design which does not enable the pipes to flex.