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BlackHeart™ 304 SS Single Transverse Axle-Back Exhaust System with Quad Rear Exit (70401336-RHKR) by Hooker®. Exhaust System Type: Axle-Back. Exhaust Tubing Material: 304 SS. Main Tubing Diameter: 3". Exhaust System Sound: Moderate. Hooker BlackHeart products are constructed of lightweight 18-gauge, 304 Stainless Steel material maximizing strength and durability. At the heart of any performance vehicle is the exhaust system. Hooker with its classic heart logo has been at the core of the exhaust industry for decades. Many of the most powerful vehicles on the planet have used Hooker Headers. Hooker continues to push the boundaries of performance with the new BlackHeart line of performance exhaust systems for popular late model vehicles. The BlackHeart line is truly a platform designed full exhaust program. From the cylinder head flange to the tailpipe, the BlackHeart line is engineered to provide maximum exhaust velocity, ground clearance, style, performance, and quality!
- Max dyno gains of +8.32 HP & +10.62 LB.FT. torque
- Single transverse high-flow muffler with built-in X-Pipe designed to be mild-mannered when the valves are closed for a pleasant driving experience at cruising speeds and an aggressive tone when the valves are opened
- Factory dual mode electronic exhaust valve actuators bolt directly to the BlackHeart valves without any modifications
- 4” dual wall, angle cut, polished 304 stainless steel quad tips with laser etched Hooker BlackHeart logo for aggressive styling
- Constructed from mandrel bent, 18-gauge, 304 stainless steel for reduced weight and long life
- Quality welds for strength, longevity and good looks
- Utilizes factory mounting points for ease of installation and maximum ground clearance
- Retains the factory AFM (Active Fuel Management) valves
- Manufacturer’s limited lifetime warranty
- Designed for automatic transmission
Hooker, with their classic heart logo, has been at the core of the exhaust industry for years. They continue to push the boundaries of performance with their Hooker Blackheart exhaust systems line—part of a platform-designed full exhaust program. These components provide maximum exhaust velocity, ground clearance, style, performance, and quality. Order the configuration tailored for fitment on your specific vehicle. When it's time to tear the heart out of the competition—choose Blackheart!
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