H21102 01-05 Civic EX 4-1 Header

T-304 #1 grade stainless steel tubing, polished to a bright luster. 1 3/8” x 2” mandrel bent tubing X .065 wall thickness. Flange is 3/8” thick stainless steel. All headers are TIG welded construction. Provides 10-12 horsepower gains. All Strup Headers re-use the OEM stock manifold metal gaskets.