SKU: PEPH7674
UPC: 694342503635
MPN: H7674
The Patriot Exhaust Formed Collectors features dual 1-7/8-inch primary tubes that merge into a 3-inch outlet, engineered to consolidate exhaust flow from four cylinder banks into a single unified stream. This weld-on collector design is constructed from steel in natural finish, delivered as a matched pair with 10-inch length, making it suited for custom exhaust system fabrication where header-to-downpipe integration requires high flow consolidation with minimal turbulence.
The 1-7/8-inch primary tube diameter is selected to balance scavenging efficiency across mid-range engine speeds while the 3-inch outlet accommodates modern catalytic converters or muffler inlet specifications without restriction. The weld-on configuration requires professional TIG or MIG welding installation, making this collector suitable for fabricators and performance shops building custom systems. Natural steel finish requires application of high-temperature coating or ceramic paint to prevent rust in the exhaust environment—a standard practice in custom exhaust work where the collector operates at sustained temperatures exceeding 1200°F.
These formed collectors serve engine builders, restoration specialists, and performance enthusiasts constructing complete exhaust systems for vehicles where original manifolds are incompatible or where optimized collector design is required for engine efficiency. The pair format accommodates typical four-cylinder or V8 configurations where dual collectors feeding separate downpipes are preferred. Proper installation demands correct collector angle and support to prevent resonance vibration and thermal stress cracking at welds during extended engine operation.
Patriot Exhaust collectors are recognized for precision formed geometry that minimizes turbulence zones at the tube merge point, supporting exhaust scavenging principles essential to engine breathing optimization. Verification of fitment dimensions against your specific engine block and intake valve configuration is recommended before welding, as collector outlet timing and angle significantly impact overall system performance.
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