
Professional installation is highly recommended, exhaust systems are not always perfect, and while most of the time these exhaust systems work perfectly together, occasionally a slight modification to the exhaust system is required to achieve a perfect fit. Tube Outside Diameter: 1 5/8. 1-5/8" primaries to the 3" Collectors.
2 1/2 reducersIdeal for Engine SwapsMore PerformanceBetter Fuel MileageEnhances the look of any CorvetteWill clear straight and angle plug headsIncludes gaskets and mounting hardware. All necessary installation hardware (as shown in the picture).