Home Engine Systems Performance Water Exhaust Hoses Series 252 Corrugated Wet Exhaust Hardwall Hose (Double Wire) – Size 4” MPI Products Series 252 Corrugated Wet Exhaust Hardwall Hose (Double Wire) – Size 4” $513.89 Series 252 Corrugated Wet Exhaust Hardwall Hose (Double Wire) – Size 4” quantity Add to cart