Complete with Stinger 304 stainless steel, TIG welded for durability True 4-into-1 header with adjustable stinger Transform your air-cooled vehicle with the SSP Stainless Steel Merged Header, featuring 40mm ID tubing and a striking horizontal swivel stinger. Crafted from high-grade 304 stainless steel and TIG welded for exceptional strength, this header ensures both longevity and a refined, race-inspired look. The true 4-into-1 merged header design optimises exhaust flow, improving engine performance delivering a more race car-like sound.