Introducing the latest evolution in exhaust performance — the Bull Boost Performance 4.5” Stainless Steel Catback System, specifically engineered for the 96-00 Civic Hatch EK. This isn’t just another exhaust — it’s the result of extensive development and acoustic tuning to deliver a sound and performance experience unlike anything you've heard before.
Crafted from T-304 stainless steel and utilizing precision CNC mandrel bends, this 76mm (3") system is built to maximize exhaust flow, reduce backpressure, and unleash hidden horsepower — all while maintaining daily drivability. The signature 4.5” tip produces a deep, aggressive tone that’s clean and refined, not harsh or raspy like cheaper alternatives.
What truly sets this system apart is its unique tonal profile, achieved through months of testing and tuning. The result? A distinctive exhaust note that stands out in the street and on the track — powerful under load, smooth at idle, and no unnecessary drone.
Key Features:
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Built from high-grade T-304 stainless steel for long-lasting durability
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CNC mandrel-bent 76mm piping for optimal exhaust flow
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TIG-welded flanges to resist pressure, heat, and corrosion
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Dyno-tested to provide gains of 10–20 HP and improved low-end torque
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Acoustically tuned for a unique, bold exhaust note exclusive to this system
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Includes all necessary hardware for bolt-on installation
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Designed to balance affordable pricing with premium performance and sound
Application:
