2011-2015 CTS-V Coupe 6.2L V8 3" 304SS Axle-Back Exhaust System, Polished Tips

PART# 70401346-RHKR


Hooker continues to push the boundaries of performance with the BlackHeart line of exhaust products. We are proud to offer these axle-back exhaust systems for 2011-15 CTS-V coupes. These 304 stainless steel, 3" into 2.5" axle-backs are available with either polished stainless steel or carbon fiber tips. They are engineered to offer both premium fitment and maximum performance from your 6.2L engine.



  • Max Dyno gains of +17.08 HP & +20.21 LB.FT. torque
  • Up to 43% weight savings over OE exhaust, a savings of 20 LBS.
  • Constructed from 3” into 2.5” lightweight, 18-gauge, mandrel bent, 304 stainless steel maximizing strength and durability
  • Dual, 304 polished stainless steel, high-flow straight through muffler design
  • Available with 4.5”, angle-cut, polished 304 stainless steel or carbon fiber tips
  • 100% quality hand-welded construction for strength, longevity and good looks
  • Utilizes OEM mounting points for factory-like fitment
  • Tube geometry designed for maximum clearance and hassle-free installation
  • All hardware included
  • Manufacturer’s limited lifetime warranty



Application 2011-2015 CTS-V Coupe 6.2L
Brand Hooker BlackHeart
Emission Code 1
Material 304 Stainless Steel
Muffler Type High Flow, Straight Through
Product Type Axle-Back Exhaust Kit
Tips Polished 304 Stainless Steel
Tube Diameter 3" into 2.5"


Limited Lifetime Warranty Information for Part# 70401346-RHKR


Instructions for Part# 70401346-RHKR





This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

2011-2015 CTS-V Coupe 6.2L V8 3" 304SS Axle-Back Exhaust System, Polished Tips