Hooker Blackheart Introduces LT Turbo Exhaust Manifolds
They are designed to tuck tightly against the engine block while still allowing room for spark plug access.

Listen To Hooker BlackHeart’s Exhaust Products For Mustang V6
Holley announces the release of new Hooker BlackHeart exhaust components, including axle-back exhaust systems, cat-back exhaust systems, and longtube headers for 2015-2016 Ford Mustangs equipped with the 3.7L V6.
