Stepvan Exhaust Systems & Components

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  Aluminized Muffler

  Part Number: 57-425

  Aluminized muffler, (2) 2-1/2" inlet, (1) 3" outlet, '96-On GM/Workhorse

  $205.86

   
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  2-Piece 'Y' pipe

  Part Number: 57-280

  2-Piece 'Y' pipe for the 4.8L and 6.0L Workhorse Chassis. Your original 'Y' pipe is connected at the base by a 'Football Flange'. By ... more

  $412.80

   
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  OE Style Catalytic Converter Assembly

  Part Number: 57-290

  OE Style catalytic converter assembly

  $537.26

   
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  Heavy Duty Muffler Aluminized

  Part Number: 57-427

  Muffler, 8-1/2"dia. x 29-1/2"L. All welded seams, long lasting heavy duty aluminized steel. Will not split at seams like original equ... more

  $75.92

   
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  Aluminized Tail Pipe

  Part Number: 57-234

  Aluminized tail pipe, 3" dia. Formed in two pieces for shipping purposes. 1991-on

  $115.97

   
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  Muffler Hanger, 8.5" ring

  Part Number: 57-231

  Muffler hanger with 8-1/2" ring includes mounting bolts. Fits 57-427 muffler.

  $47.32

   
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  Tail Pipe, Aluminized

  Part Number: 57-255

  Tail pipe, aluminized (cut in two for shipping) that fits B5.9L Cummins Diesel engine & 4.3L Mercedes. Tail pipe exits on RH side.

  $88.36

   
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  Tail Pipe Kit

  Part Number: 57-276

  Tail pipe kit. Includes 57-255, 57-223, 57-216 and 4 of 57-352.

  $149.03

   
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  Hanger for Double Pipe

  Part Number: 57-455

  Hanger for double pipe, '96-On GM/Workhorse

  $52.80

   
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  Catalytic Converter

  Part Number: 57-215

  Catalytic Converter used for single or dual exhaust for 87 and newer Chev P-30 with 350 c.i. engine under 9500 lbs. GVRW. W... more

  $119.75

   
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  Reinforced Rubber Insulator Hanger

  Part Number: 57-433

  Reinforced rubber insulator hanger

  $14.55

   
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  Muffler, Two 2.5" Inlets; One 3" Outlet

  Part Number: 57-9168

  Aluminized Muffler. Fits Freightliner MT45/MT55 6.0L Gas Engine. 

  $237.30

   
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  Turbo Pipe, Aluminized

  Part Number: 57-254

  Turbo pipe, aluminized, that fits B5.9L Cummins diesel engines on Freightliner 2003 and older.

  $53.90

   
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  Replacement 'Y' Pipe

  Part Number: 57-205

  Replacement 'Y' pipe for 4.3L and 5.7L GM/Workhorse chassis, 1996-on. Pipes are held together with 'football flange' as original.

  $470.00

   
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  Turbo Pipe, Aluminized

  Part Number: 57-269

  Turbo pipe, aluminized that fits Mercedes engines

  $299.00

   
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  Exhaust Manifold Kit, 6.0L - Left Side

  Part Number: 57-380

  Left Exhaust Manifold Kit - 6.0 Liter Engines. Includes required gaskets and Hardware - Drivers Side

  $179.49

   
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  Football Shaped Flange Gasket

  Part Number: 57-315

  Football shaped flange gasket, fits 4.3L, 4.8L, 5.7L and 6.0L

  $30.45

   
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  Turbo Pipe with 5.9 Liter, Aluminized

  Part Number: 57-256

  Turbo pipe, aluminized, that fits B5.9L Cummins diesel engines on Freightliner 2004 and newer.

  $68.00

   
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  Exhaust Manifold Kit - Driver's Side

  Part Number: 57-360

  LH Exhaust Manifold kit that fits Chevy. 8 Cylinder 5.7L 350 CID '87-95, includes: 3 studs, 3 nuts. No additional donut needed. Order... more

  $143.62$129.26

  ON SALE
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  Turbo Pipe, Aluminized

  Part Number: 57-257

  Turbo pipe, aluminized, that fits B3.9L Cummins diesel engines on Freightliner.

  $45.00$40.50

  ON SALE