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Holley Announces Hooker BlackHeart Axleback Exhausts For the 2015 Ecoboost Mustang

Holley is proud to announce the release of the Hooker BlackHeart axleback exhausts for the 2015 Ecoboost Mustang.

The Hooker BlackHeart axleback exhaust for the 2015 Ecoboost Mustang is a premium product that maintains a great price. It is constructed of 2.5" lightweight 18-gauge 304 stainless steel to maximize strength and durability. The exhaust features quality welds throughout for strength, longevity, and good looks. They are available with either a straight-through muffler or no muffler design that exits into either 4" dual wall polished stainless steel tips or satin black powder coated tips, both laser-etched with the Hooker BlackHeart logo. Tube geometry is optimized for maximum ground clearance and retains the use of factory mounting points for a hassle-free installation.

With the Hooker BlackHeart axleback exhaust, we have seen maximum gains of 5.22 horsepower and 4.55 lb/ft of torque with mufflers, and 15.63 horsepower and 13.75 lb/ft of torque without mufflers.

The individual product text and high-resolution images can be found on the individual product pages:

Polished tips w/o mufflers (Part # 70403306-RHKR)

Polished tips w/ mufflers (Part # 70403307-RHKR)

Black tips w/o mufflers (Part # 70403308-RHKR)

Black tips w/ mufflers (Part # 70403309-RHKR)