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Hooker BlackHeart Multi-Mode Axle-Back Exhaust System

2012-15 Camaro SS 6.2L 3 inch 304 Stainless Steel Multi Mode Axle-Back Exhaust

PART# 70401340-RHKR

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Aggressive to moderate sound


Hooker continues to push the boundaries of performance with the BlackHeart line of exhaust products. We are proud to offer this multi-mode axle-back exhaust system for 2012-15 Camaro SS vehicles. This 3" axle-back is engineered to offer both premium fitment and maximum performance from your 6.2L engine. It features our popular Attitude Adjuster exhaust valve controller, offering the street manners of a quiet exhaust that can go to full race with the drop of your right foot!


  • Multi-Mode mufflers provide mellow throaty tone when the valve is closed and aggressive RACE attitude when the valve is open
  • Hooker ATITUDE Exhaust Valve Controller is selectable for SPORT, TOURING, RACE or MANUAL operation
  • Fully programmable mapping for customized valve operation at any engine speed or load
  • Max dyno gains of +14.06 HP & +13.75 LB.FT. torque
  • 3.0” lightweight, 18-gauge, 304 stainless steel construction maximizing strength and durability
  • 100% hand welded construction
  • All hardware included
  • Quality welds for strength, longevity and good looks
  • Utilizes OEM mounting points for factory-like fitment
  • Tube geometry designed for maximum clearance and hassle-free installation


Application2012-2015 Camaro SS 6.2L
BrandHooker BlackHeart
Emission Code5
Exhaust SeriesHooker BlackHeart
Material304 Stainless Steel
Muffler TypeMulti-Mode
Product TypeExhaust System
Sound LevelAggressive / Moderate
System TypeAxle-back
Tube Diameter3"
Tubing Diameter (in)3
Part Number70401340-RHKR



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

- Modifications required for use on convertible or ZL1. - Requires NPP rear valance for use on Non NPP single tip SS option cars. - Basic understanding of 12 volt automotive electrical systems required.


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