*The product made of stainless steel pipes & flanges .
*Lost wax made 2 in 1 collector with smooth inner surface for no easy cracking & no turbolence occur .
-Manifold: O/D - 45mm, thickness - 1.8 mm
-2 in 1 collector: O/D - 45mm, thickness - 2 mm
-Engine side thickness: 12mm
-Turbo side thickness: 12mm