Get the job done right with this genuine Dynaflex 32-400 exhaust coupler. Proudly MADE IN THE USA, this heavy-duty sleeve is built specifically for heavy-duty truck exhaust systems and custom fabrication. Constructed from high-quality 16-gauge carbon steel, it provides a reliable, weldable solution for joining 4" exhaust piping.
Part Number: 32-400
Fitment: 4" I.D. to 4" I.D. (Inside Diameter)
Design: Slips over standard 4" O.D. exhaust pipe
Overall Length (OAL): 6.5"
Material: 16 Gauge (.065") Carbon Steel
Finish: Raw / Unfinished (Ideal for welding)
Precision Sizing: True 4" ID expansion ensures a snug, professional fit.
Durability: 16GA thickness offers superior heat resistance and structural strength compared to thin-wall alternatives.
American Quality: Dynaflex is a leader in heavy-duty exhaust components, ensuring strict manufacturing tolerances.
| Field | Value |
| Brand | Dynaflex Products |
| Manufacturer Part Number | 32-400 |
| Type | Exhaust Pipe Coupler / Sleeve |
| Inside Diameter | 4 in |
| Length | 6.5 in |
| Material | Carbon Steel |
| Wall Thickness | 16 Gauge |
| Country/Region of Manufacture | United States |
| Surface Finish | Raw Steel |
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