• Eliminates Secondary Butterflies For Improved Air Flow and Horsepower
• Large 66mm Throttle Body Opening That Can Be Ported To 75mm
• Outperforms Euro-R Manifold By Up To 8 HP and 6 TQ at Wheels
• Large Tapered 9-1/4” Runners For High-volume and Balanced Flow
• Not Compatible With Civic/CRX Engine Transplants
• Not Compatible With Prelude SH Factory ECU
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