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Dynomax 55737 Exhaust Intermediate Pipe

Brand	Dynomax 55737
Material	Stainless steel
Outlet Outside Diameter	3
Inlet Quantity	1
Outlet Quantity	1
Bend Type	Mandrel
Bending Radius	5
Inlet Inside Diameter	3.30 spherical flare
Inlet Type	Spherical flare
Length	52.46
Outlet Type	Pipe connection
Pipe Diameter	3
Pipe Wall Thickness	0.055
Universal Or Specific Fit	Direct fit
Fits	Chevrolet and GMC · 6 vehicles

Direct-fit design. Built for application-specific exhaust replacement without custom fabrication.

Stainless steel construction. Helps resist corrosion in demanding exhaust service.

Mandrel-bent tubing. Maintains a consistent 3-inch exhaust path through the pipe.

$99.55Free shipping

In stock · usually ships same day before 1pm CST

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Overview

Dynomax 55737 is a direct-fit exhaust intermediate pipe built from stainless steel for corrosion resistance and long-term service. It uses mandrel bends and fixture-checked manufacturing to support a precise fit on select Chevrolet Silverado 1500 and GMC Sierra 1500 applications.

Key Features

Stainless steel construction for durability in exhaust service.
Mandrel-bent tubing helps maintain consistent exhaust flow through the pipe.
Direct-fit design for select truck applications.
3-inch pipe diameter with a 52.46-inch overall length.
Spherical flare inlet and pipe-connection outlet for application-specific fitment.

Detailed Description

This Dynomax exhaust intermediate pipe, part number 55737, is engineered for select 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500 models. Fitment includes 2021 Silverado 1500 and Sierra 1500, plus 2019-2020 Silverado 1500 and Sierra 1500 with dual exhaust, except Limited and LD models. The stainless steel body, 0.055-inch wall thickness, and precision-checked construction support a clean replacement path for the factory intermediate section. Dynomax 55737 is a practical choice when you need a replacement exhaust pipe that matches the vehicle-specific layout without custom fabrication.

Common Uses

Replacing a damaged or rusted intermediate exhaust pipe.
Restoring proper exhaust routing after corrosion or impact damage.
Addressing exhaust leaks at the pipe connection points.
Returning the exhaust system to a direct-fit configuration.

Installation Notes

Verify engine, exhaust layout, and model exclusions before installation. This part fits 2021 Chevrolet Silverado 1500, 2021 GMC Sierra 1500, 2019-2020 Chevrolet Silverado 1500, and 2019-2020 GMC Sierra 1500 with dual exhaust, except Limited and LD models. Confirm inlet and outlet connection style against the existing exhaust system before assembly.

Quality Assurance

Dynomax manufactures this pipe with precision benders and fixture checking to support consistent fitment. The stainless steel construction adds durability for exhaust replacement service.

This part fits 6 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Wheel Base	Notes
2021	Chevrolet	Silverado 1500	5.3L	V8	147.4"	—
2021	GMC	Sierra 1500	5.3L	V8	147.4"	—
2020	Chevrolet	Silverado 1500	5.3L	V8	147.4"	with Dual Exhaust; Except Limited/LD Models
2020	GMC	Sierra 1500	5.3L	V8	147.4"	with Dual Exhaust; Except Limited/LD Models
2019	Chevrolet	Silverado 1500	5.3L	V8	147.4"	with Dual Exhaust; Except Limited/LD Models
2019	GMC	Sierra 1500	5.3L	V8	147.4"	with Dual Exhaust; Except Limited/LD Models
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