FL-171912

Exhaust Reducer/Expander I.D.Inch 6‘’5‘’ Length 8''
4.5 Ratings
Part # FL-171912
UPC/GTIN# 601961388802
Availability In Stock (10)
Feature Specification
Type Universal Exhaust Pipe Reducer/Adapter (ID-ID)
Large End (Inlet) 6.0" ID (152.4 mm)
Small End (Outlet) 5.0" ID (127.0 mm)
Overall Length 8.0 inches (203.2 mm)
Wall Thickness 16 Gauge (0.060 inches / 1.52 mm)
Material Aluminized Steel
Weight 6.2 lbs (2.81 kg)
Configuration Concentric Reducer (ID-ID)
  • Construction: Inside diameter to inside diameter (ID-ID) reducer design with smooth tapered transition from 6-inch ID to 5-inch ID providing optimal exhaust flow with minimal back pressure.​
  • Material: Heavy-gauge aluminized steel construction offering superior corrosion resistance and extended service life in harsh exhaust environments.​
  • Design: Precision-formed tapered walls with smooth internal transition, specifically engineered for ID-to-ID connections where pipes slip into both ends of the reducer.​
  • Application: Universal design suitable for connecting 6-inch ID exhaust pipes to 5-inch ID components, ideal for heavy-duty truck exhaust systems and large diameter applications.

This is a universal exhaust reducer/expander featuring an 8-inch overall length with 6-inch inside diameter inlet tapering to 5-inch inside diameter outlet. The aluminized steel construction provides excellent corrosion resistance while the ID-ID configuration allows exhaust pipes to slip into both ends of the reducer. Designed for heavy-duty applications requiring inside diameter connections in large exhaust systems.

Cross Reference / Part Interchange

Manufacturer Part Number Notes
Nelson 89278A  
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