C5 Corvette 8-4-1 System Headers, Ultimate NPP Exhaust:C5- 84-1 Headers and Ultimate NPP Exhaust Permanently SOLD OUT

Permanently SOLD OUT

This is FULLY REFUNDABLE at anytime

Pre-order #1 - Completed - Fulfilled April/May 2026

Primaries- 1

C5 Corvette 8-4-1 System Headers, Ultimate NPP Exhaust:C5- 84-1 Headers and Ultimate NPP Exhaust Permanently SOLD OUTAfter successful runs of the C6 headers, we are finally ready to bring you the C5 8 4 1 system Equal Length 8 4 1 Headers (now with double slip joints $$$) Primaries 1. 875" Secondaries 2. 125" 4 1 Collector 2. 125" in 4" out Mid pipe 4" in dual 3" ( does not bolt up to any other system) C5 Ultimate NPP Dual 3" vacuum controlled We designed the overaxle pipes to clear a C5 with the C6 cradle swap, but we have not verified.