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Stepvan Parts
GM & Workhorse Stepvan Exhaust Systems

GM & Workhorse Stepvan Exhaust Systems

Showing 1-20 of 50

Picture Part Number Description Price Retail
Aluminized Muffler 57-425 Aluminized muffler, 2) 2-1/2" inlet, 1) 3" outlet, '96-On -detail $205.86
$247.03
2-Piece 'Y' pipe 57-280 2-Piece 'Y' pipe. Fits 4.8L and 6.0L Workhorse Chassis. These p... -detail $412.80
$495.36
OE Style Catalytic Converter Assembly 57-290 OE Style catalytic converter assembly -detail $537.26
$644.71
Aluminized Tail Pipe 57-234 Aluminized tail pipe, 3" dia. Formed in two pieces for shipping... -detail $115.97
$139.16
Hanger for Double Pipe 57-455 Hanger for double pipe, '96-On -detail $52.80
$63.36
Catalytic Converter 57-215 Catalytic Converter used for single or dual exhaust for 87... -detail $109.71
$131.65
Aluminized Extension Pipe 57-211 Aluminized extension pipe, 14ga, 2-1/2 dia. x 59-3/4", '76-87 f... -detail $44.60
$53.52
Catalytic Converter 57-218 Catalytic Converter, forward converter (new not rebuilt) fits 3... -detail $224.76
$269.71
Insulator Hanger 57-433 Insulator Hanger -detail $14.55
$17.46
Replacement 'Y' Pipe 57-205 Replacement 'Y' pipe for 4.3L and 5.7L GM/Workhorse chassis, 19... -detail $470.00
$564.00
Football Shaped Flange Gasket 57-315 Football shaped flange gasket, fits 4.3L, 4.8L, 5.7L and 6.0L -detail $30.45
$36.54
3" Upper Clamp Bracket 57-266 3" Upper clamp bracket -detail $69.93
$83.92
Exhaust Manifold Kit - Left Side 57-385 LH Exhaust Manifold kit that fits Chevrolet 8 cylinder, 350 c.i... -detail $160.99
$193.19
Aluminized Muffler 57-220 Muffler with 3" fittings. Fits 87-on Chev P-30 with 350 c.i. engine -detail $62.37
$74.84
Aluminized Extension 57-213 Pipe Extension, 3" dia. x 55" long. Fits 87-on Chev P-30 with 3... -detail $55.46
$66.55
EGRV Recirculating Pipe 57-375 EGRV Recirculating Valve Pipe. Fits our 57-385 manifold. -detail $262.01
$314.41
Exhaust Manifold Kit - Right Side 57-363 RH Exhaust Manifold kit that fits Chevrolet 8 cylinder, 350 CID... -detail $131.79
$158.15
Y-Pipe for the 350 engine from 1979-95 GM and Workhorse Chassis 57-238 Y-Pipe, .made with 409 stainless steel -detail $243.87
$292.64
Gasket - Left Side 57-481 LH Gasket, 'Y' pipe to manifold. Fits on left side of 57-280. -detail $15.53
$18.64
Gasket - Right Side 57-482 RH Gasket, 'Y' pipe to manifold. Fits on right side of 57-280. -detail $15.55
$18.66