Catalyst section76mm post turbo pipe. Into twin 57mm Y pipe. Chosen to maintain exact cross sectional area, to retain optimum efficiency of gas transit.available in decat, 100 cell or 200 cell, HJS motorsport catalysts.
57mm valve open transit. 45mm valve closed transit. Cross sections chosen for optimum balance of power and torque at specified RPM ranges, as well as optimal sound character, and drone free cruising.
Available in in F1 grade Inconel 625 or 304 grade stainless steel.
3.5kg Inconel 625, 7kg stainless 304
100 cell HJS
5kg Inconel 625, 8.5kg stainless steel.
7.6kg Inconel 625, 14kg stainless steel