aFe Twisted Steel Tri-Y Headers/Connection Pipes (Street) 09-15 Cadillac CTS-V V8 6.2L
Twisted Steel Tri-Y Headers Features:
•1-7/8” primary tubing which merge to 2-1/8” secondary tubes into a 3" collector
•4-2-1 Tri-Y designed headers with 3" collector
•3/8" thick, 304 stainless steel head flanges
•Optimized tube lengths improve flow and performance
•100% hand TIG-welded construction ensures optimal strength and durability
•Incorporates a second bung for either a wide-band O₂ gauge or auxiliary instrumentation
Mid-Pipes (Race Version):
•Race version for increased performance and a more aggressive sound
•V-band flanges with included V-band clamps for a secure leak-free seal
Connection Pipes:
•3" Inlet/2.5" Outlet connection pipes mount directly to OE mounting locations
•3" Inlet/3" Outlet connection pipes mount directly to the aFe exhaust (P/N: 49-34063)
Testing:
In recent testing the “Street” version produced +23 horsepower and +31 lbs. x ft. of torque on our in house dyno. Tested on a 2009 Cadillac CTS-V V8-6.2L with aFe exhaust P/N: 49-34063)
Tri-Y Design:
Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the power band.