E46 M3 Supersprint Headers Kit

Specifications: Made in Italy Hand manufactured with 304 ASIS Stainless Steel  TIG welded on headers and section 1.  02 bungs are present 63.5mm enlarged diameter for superior flow, and reduced rasp. Stepped design headers: Unique design for optimal exhaust flow on high RPM engines Slip-on installation with Supersprint section 60mm stepped design is available for bolted flange fitment on original section 1 or aftermarket.  Section 1 options: HJS CUP 100 CSPI catalytic converters.  Catless with resonators  Catless without resonators Hardware not included. Re-use original.  Lifetime warranty