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

By: Hooker Blackheart | 11/04/2019 < Back to Motor Life Home

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

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