Axle Back Exhaust For 15-19 Subaru WRX STI with mufflers

By: Hooker Blackheart03/11/2020 < Back to Blog Home

If you're looking to unleash the famous burble of a flat 4 Subaru boxer engine, this Blackheart axle-back exhaust is a perfect choice! It's built with 2.5" 304 Stainless Steel materials and offers increased flow resulting in improved horsepower and torque numbers! 

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