S55 M2/M3/M4 Cen-Cal Titanium Charge Pipes - F80/F82/F83/F87 These look great but also have there performance perks and gains...This is part of our Cen-Cal Line of titanium parts. This is a titanium charge pipe set for all S55 powered vehicles!  Features Hand-welded, aerospace-grade titanium: connectors, pie cuts, & flanges are CNC GR1 titanium, straight sections use GR2 titanium.  Extremely lightweight, with both pipes totaling only 1.8lbs Two (2) 1/8" NPT bungs are included on ALL units at no extra cost Option for just charge pipes, just j-pipe or both All required hardware included with purchase 3 different titanium color-ways