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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
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~~$446.50
ON SALE
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
OE Style Catalytic Converter Assembly

Part Number: 57-290

OE Style catalytic converter assembly

$537.26
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
Aluminized Tail Pipe

Part Number: 57-234

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

$115.97
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
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
Tail Pipe Kit

Part Number: 57-276

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

$149.03
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

$120.08
Hanger for Double Pipe

Part Number: 57-455

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

$52.80
Turbo Pipe, Aluminized

Part Number: 57-254

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

$53.90
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
Insulator Hanger

Part Number: 57-433

Rubber insulator hanger for exhaust

$14.55
Y-Pipe for the 350 engine from 1979-95 GM and Workhorse Chassis

Part Number: 57-238

Y-Pipe, .made with 409 stainless steel

$250.61
Y-Pipe

Part Number: 57-240

Y-pipe for 6.5L diesel

$409.80
Catalytic Converter

Part Number: 57-218

Replacement Catalytic Converter for gas engines. This is a new converter, not rebuilt, and has 3" pipe connections for the inlet and ... more

$203.42
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

$180.72
Turbo Pipe, Aluminized

Part Number: 57-269

Turbo pipe, aluminized that fits Mercedes engines

$305.70
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

~~$155.10~~$136.49
ON SALE