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    F90 M5 Primary Catless Downpipes
    • F90 M5 Primary Catless Downpipes
    • M5 F90 Primary Heat Shielded DOWNPIPES
    • BMW F90 M5 Primary Downpipes | REDSTAR EXHAUST
    • F90 M5 Primary Catted Downpipes

    BMW F90 M5 Primary Downpipes

    RS.F90M5.Primary

    REDSTAR EXHAUST primary downpipes for the BMW F90 M5 are engineered for optimal exhaust flow and precise fitment. These downpipes reduce backpressure to deliver increased power, quicker turbo response, and a more aggressive exhaust note. Designed as a direct bolt-on upgrade, they provide a simple yet effective way to unlock more performance without replacing the entire exhaust system.

    High Flow Catalytic Converter:
    Performance Heat Shield:
    $749.00
    Quantity

    Description

    Compatible Vehicles:

    • 2017-2024 BMW M5 F90 4.4 L S63 twin-turbocharged V8
    • 2018-2024 BMW M5 Competition F90 4.4 L S63 twin-turbocharged V8

    Available Options:

    • HJS HD 200cpsi- Ultra High-Performance 1000+hp rated catalytic converters. Made in Germany most reputed converters for their outstanding characteristics, quality and durability. >> Read more about HJS cats. 
    • GESI GEN2 400cpsi- catalytic converters rated for 1000hp. The new GEN2 series provides a significant improvement in exhaust flow over stock and offers the latest emissions technology. EPA Compliant catalytic converters have been third-party lab tested to meet or exceed local emissions standards in North America (excluding California) >> Read more about G-Sport by GESI cats.
    • OEM-style Heat Shielding- with ceramic inner liner. The best way to reduce radiant heat up to 70%. Usual thermal wraps not even close in effectiveness and durability to the Heat Shields.

    Main Features:

    • Significant power gain
    • Faster spool up and better throttle response
    • Increasing the life of the turbos 
    • Reducing under hood temperature
    • Adds a very nice tone to the exhaust
    • 100% bolt-on installation
    • 100% TIG welded and back purged
    • Highest quality 2.0mm wall 304 stainless steel
    • OEM-spec V-band flanges
    • All brackets and mounts as on OEM unit
    • Limited lifetime warranty 

    Shipping:

    We offer WORLDWIDE shipping. Once you create your account your order will update with the appropriate shipping cost. Please, ask us for details and availability.

    Notes:

    Tuning: For ECU tuning, we highly recommend Purisic Performance to ensure optimal performance and calibration. Contact: purisicperformance@outlook.com | (239) 777-7381

    OFF ROAD/MOTORSPORT USE ONLY! 
    This product is not designed to meet any emissions standards and is not for street or highway use. This product is not certified and may not be legal for use on emissions controlled vehicles in any country/jurisdiction.

    Product Details

    Data sheet

    Engine Type
    4.4L Twin Turbo
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    Reference: RS.F90M5.Secondary

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    The RedStar Exhaust BMW F90 M5 Secondary Downpipes are engineered to improve exhaust flow and performance while maintaining factory drivability. Designed as a lower secondary slip-style downpipe, this upgrade replaces the restrictive factory secondary catalytic converters with a fully bolt-on solution. Developed with a flow-optimized design and precision...
    Price $1,049.00
    SELECT OPTIONS
    In stock