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Engineered for maximum flow and sound, these downpipes are built to deliver both power and durability.
Premium Construction: T304 stainless steel for strength, heat resistance, and long-lasting performance.
Proven Power Gains: When paired with an ECU tune, our catless downpipes can add up to 44whp alone, on top of the 85whp gains from ECU calibration.
Unrestricted Sound: The best exhaust note possible with zero restriction for an aggressive, race-inspired tone.
Tested Reliability: The same downpipes trusted in 800–1300whp Benz builds, giving you confidence in their performance at any level.
Warranty: Comes with a 1-year manufacturer warranty for peace of mind. Please email us pictures and videos for review if you do encounter any issues with our product.
Custom Options: Have a special request? Reach out to us at zane@zeferperformance.com and we’ll make it happen.