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2004-2007 GM Silverado/Sierra 1500 4.8/5.3L - Hooker Blackeart Cat-Back Exhaust 705014159RHKRYouTube Button

Hooker BlackHeart Cat-Back Exhaust system

2004-2007 GM Silverado/Sierra 1500 4.8/5.3L 3 inch Stainless Steel (Single Side Exit)

PART# 705014159RHKR

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$556.00   Suggested Retail
$449.96   Holleydays Price
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Aggressive to moderate sound


Hooker continues to push the boundaries of performance with its BlackHeart line of exhaust products. We are proud to offer this cat-back exhaust system for 2004-2007 GM Silverado/Sierra 1500 trucks. This is a single side-exit cat-back system engineered to offer both premium fitment and maximum performance from your 4.8/5.3L engine.


  • Fits All 143 WB Trucks (All Crew Cabs & Ext. Cabs W/6.6 Ft. Bed)
  • Max Dyno Gains of 9.67 HP & 9.62 Lb.Ft. Torque
  • Constructed From Lightweight, 18 -Gauge, Mandrel Bent, 409 Stainless Steel Construction Maximizing Strength and Durability
  • 409 Stainless Steel, High-Flow Muffler for Optimum Performance and No Drone
  • 3” Pipe Designed To Maximize Performance
  • 4” Wall, Angle-Cut, Polished 304 Stainless Steel Tips with Laser Etched Hooker Blackheart Logos Add Maximum Style to Your Ride
  • 100% Quality Hand-Welded Construction for Strength, Longevity and Good Looks
  • Utilizes Factory Mounting Points for Factory-Like Fitment
  • Tube Geometry Designed For Maximum Clearance and Hassle-Free Installation
  • All Hardware Included
  • Manufacturer’s Limited Lifetime Warranty


Application2004-2007 GM Silverado/Sierra 1500 4.8/5.3L
BrandHooker BlackHeart
Emission Code5
Exhaust SeriesHooker BlackHeart
Material409 Stainless Steel
Muffler TypeHigh Flow, Straight Through
Product TypeExhaust System
Sound LevelAggressive / Moderate
System TypeCat-back
Tube Diameter3 inch
Tubing Diameter (in)3
Part Number705014159RHKR



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.

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