Titanium Dynamics Flanges V band Flanges Titanium Dynamics Titanium V band Assembly Male Female 50.8mm 2" Performance AERO Exhaust 20105 Stainless Steel V Band Assembly For 4.0 Tubing, 102 Vibrant Performance V Band Flange 1 2 in Thick 2 7 8 in OD Tubing. Description: V Band Titanium Flange Assembly, for 4. 00" O. D. Tubing Material: Titanium Warranty: One Year Limited Warranty Part Specifications Tube Size: 4. 00" O. D. Flange O. D. 4. 13" Includes: Two (2) Titanium V Band Flanges: 12493M (Male), 12493F (Female) 300 Series Stainless Steel Quick Release V Band Clamp: 1493C