Sinister Diesel SD-INTRPIPE-6.0-IE-KIT Intercooler Charge Pipe Kit Construction - Aluminum Product Design - Mandrel bent aluminum tubing with full TIG welds and pressure tested Performance Notes - Increased airflow, quicker turbo spool, and lower EGT's Kit Includes - Sinister Diesel Intercooler Charge Pipes, Intake Elbow, Heavy Duty Four Ply Silicone Boots, Stainless Steel Spring Clamps