SKU: PEPH7250
UPC: 694342502942
MPN: H7250
The Patriot Exhaust Collector Reducers – 1 pair 2-1/2 inch to 2 inch is a dual-unit reducer set engineered to step down exhaust diameter at the collector junction. This steel component features a zinc oxide protective coating and secured 3-bolt flange connections, designed for exhaust systems requiring diameter transition from 2.5-inch inlet to 2-inch outlet. The pair configuration allows both sides of a V-engine collector to be matched, ensuring balanced backpressure distribution and consistent scavenging across cylinder banks.
Construction-grade steel with zinc oxide finish provides corrosion resistance suitable for high-heat exhaust environments. The 3-bolt flange design offers a secure, repeatable connection point with included gaskets and hardware, eliminating the need for secondary fastening kits. The stepped reducer geometry maintains flow dynamics through the transition zone, minimizing turbulence that can create backpressure anomalies. Each unit weighs 2.3 pounds, reflecting solid construction without unnecessary mass. Dimensions of 6.4 x 6.4 x 8.3 inches keep the overall footprint compact while maintaining adequate material thickness at the transition point.
This reducer pair is suited for custom and OEM exhaust builds where collector-to-intermediate pipe diameter mismatch requires stepping. Typical applications include V-block engine conversions, performance exhaust system modifications, and restoration builds where original collector sizing differs from downstream piping. The gasket-sealed, bolted configuration allows removal and reinstallation without permanent modifications, making it serviceable throughout the system lifecycle.
The two-unit configuration ensures symmetrical flow on dual-exhaust platforms, preventing unequal scavenging or cylinder balance issues. Zinc-coated steel resists thermal cycling fatigue better than bare steel, extending service life in high-temperature cycles. Installation requires only the included gaskets and hardware—no welding, no cutting, no custom fabrication.
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