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    • Sale 10%
      Kies-Motorsports Kies Motorsports KMSG87DCF-SSRD(1)Kies-Motorsports Kies Motorsports KMSG87DCF-SSRD(1)
      Vendor:Clearance

      Kies Carbon G87 M2 S-Style Dry Carbon Fiber Rear Diffuser

      Looking to up the stakes with the new style of the M2 rear end? Enter the Kies Carbon G87 M2 S-Style Rear Diffuser. Made of top-grade dry carbon fiber, it sports a sleek S-Style design that beautifully wraps around your exhaust tips. Cut some...
      $962.23 USD
      $1,069.14 USD
      $962.23 USD
      Unit price
      / per 
    • Sale 10% Sold out
      Kies-Motorsports Kies Motorsports Carbon Kies G87 Diffuser ADSGKies-Motorsports Kies Motorsports Carbon Kies G87 Diffuser ADSG
      Out Of Stock
      Vendor:Clearance

      Kies G87 Carbon Fiber Diffuser

      Upgrade your BMW M2 G87 with the Kies Carbon Fiber Rear Diffuser. This high-impact addition boasts a gleaming gloss finish that showcases the intricate carbon fiber weave pattern, adding a touch of sophistication and aggression to your vehicle. Key Feautures: Genuine Carbon Fiber Construction:...
      $585.00 USD
      $650.00 USD
      $585.00 USD
      Unit price
      / per 
      Out Of Stock
    • Sale 10% Sold out
      Kies-Motorsports AutoTecknic USA AutoTecknic M-Inspired Complete Diffuser Retrofit Kit - G30 5-SeriesKies-Motorsports AutoTecknic USA AutoTecknic M-Inspired Complete Diffuser Retrofit Kit - G30 5-Series
      Out Of Stock
      Vendor:AutoTecknic USA

      AutoTecknic M-Inspired Complete Diffuser Retrofit Kit - G30 5-Series

      Product Description This is our newly released M-Inspired Complete Diffuser Retrofit Kit for the G30 5-Series (excluding the M550i). They are designed to mount directly onto the lower factory mounting location for a fast and straightforward installation. Transform your G30 5-Series to the more...
      $585.00 USD
      $650.00 USD
      $585.00 USD
      Unit price
      / per 
      Out Of Stock
    • Sale 3%
      Kies-Motorsports AutoTecknic USA AutoTecknic Vacuumed Carbon Fiber Diffuser - F30 M-SportKies-Motorsports AutoTecknic USA AutoTecknic Vacuumed Carbon Fiber Diffuser - F30 M-Sport
      Choose options
      Vendor:AutoTecknic USA

      AutoTecknic Vacuumed Carbon Fiber Diffuser - F30 M-Sport

      Product Description This is our newly released Vacuumed Carbon Fiber Center Diffuser (Type One) for the F30 with M-Sport bumper. Designed to clip/ mount directly into the lower factory diffuser mounting location for a simple and fast installation. This carbon fiber center diffuser is...
      $580.00 USD
      $600.00 USD
      $580.00 USD
      Unit price
      / per 
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    • Kies-Motorsports Adro Porsche 718 Prepreg Carbon Fiber Rear DiffuserKies-Motorsports Adro Porsche 718 Prepreg Carbon Fiber Rear Diffuser
      Vendor:Adro

      Porsche 718 Prepreg Carbon Fiber Rear Diffuser

      Transform your 718 with the ADRO Prepreg Carbon Fiber Rear Diffuser. Bring track-ready styling to your Porsche 718 with an aftermarket rear diffuser that enhances aerodynamics, deliver a motorsport-inspired edge, and fit perfectly with your vehicle’s factory design.Key Features: Full Prepreg Carbon Fiber Construction: Crafted...
      $2,400.00 USD
      $2,400.00 USD
      Unit price
      / per 
    • Kies-Motorsports TRE BMW 4 Series Gran Coupe G26 Pre-Preg Carbon Fiber Rear Diffuser Set by TRE (2021+)
      Vendor:TRE

      BMW 4 Series Gran Coupe G26 Pre-Preg Carbon Fiber Rear Diffuser Set by TRE (2021+)

      Aggressive Styling and Aerodynamic Enhancement with Lightweight Carbon Fiber Upgrade the rear profile and aerodynamic performance of your BMW 4 Series Gran Coupe G26 with the TRE Pre-Preg Carbon Fiber Rear Diffuser Set. Designed for a bold, motorsport-inspired look, this diffuser optimizes airflow, improves downforce, and adds...
      $1,973.00 USD
      $1,973.00 USD
      Unit price
      / per 
    • Kies-Motorsports StreetFighter LA BMW G82 M4 Rear DiffuserKies-Motorsports StreetFighter LA BMW G82 M4 Rear Diffuser
      Choose options
      Vendor:StreetFighter LA

      BMW G82 M4 Rear Diffuser

      Made for 2021+ BMW G82 M4 Description StreetFighter LA Carbon Fiber Rear Diffuser provides an upgraded unique aerodynamic fit the OEM rear bumper. Installs easily utilizing OEM connection points/3M double sided tape and can always be removed at any time. All StreetFighter LA products are developed through...
      From $1,000.00 USD
      From $1,000.00 USD
      Unit price
      / per 
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    • Kies-Motorsports Akrapovic Akrapovic 2024+ BMW M5 (G90) Rear Carbon Fiber Diffuser - High GlossKies-Motorsports Akrapovic Akrapovic 2024+ BMW M5 (G90) Rear Carbon Fiber Diffuser - High Gloss
      Vendor:Akrapovic

      Akrapovic 2024+ BMW M5 (G90) Rear Carbon Fiber Diffuser - High Gloss

      This diffuser has been hand-made in house from lightweight carbon-fibre and comes with a high-gloss finish. This is a completely new design and an optional product for the BMW M5 (G90, G99). It keeps within the lines of the car and is designed to...
      $3,856.88 USD
      $3,856.88 USD
      Unit price
      / per 
    • Kies-Motorsports Akrapovic Akrapovic 2021+ BMW M3 (G80)/M4 (G82) Rear Carbon Fiber Diffuser - High Gloss
      Vendor:Akrapovic

      Akrapovic 2021+ BMW M3 (G80)/M4 (G82) Rear Carbon Fiber Diffuser - High Gloss

      For extra visual impact, there is the option to add a hand-crafted carbon fibre diffuser. Produced in-house, this lightweight accessory – with ABE type approval – is designed to show off the tailpipes of The Akrapovic exhaust at their absolute best.This product fits on...
      $2,328.03 USD
      $2,328.03 USD
      Unit price
      / per 
    • Kies-Motorsports Vorsteiner BMW F12 M6 VRS PROGRAM (2005 - 2018) VRS Aero Rear Diffuser Carbon Fiber PP 1x1 GlossyKies-Motorsports Vorsteiner BMW F12 M6 VRS PROGRAM (2005 - 2018) VRS Aero Rear Diffuser Carbon Fiber PP 1x1 Glossy
      Vendor:Vorsteiner

      BMW F12 M6 VRS PROGRAM (2005 - 2018) VRS Aero Rear Diffuser Carbon Fiber PP 1x1 Glossy

      BMW F12 M6 VRS PROGRAM (2005 - 2018) VRS Aero Rear Diffuser Carbon Fiber PP 1x1 Glossy Vorsteiner's carbon fiber parts are produced using a state-of-the-art aerospace autoclave system. This provides unsurpassed rigidity, strength and finish to our aerodynamic components. We distinguish ourselves by...
      $1,895.00 USD
      $1,895.00 USD
      $1,895.00 USD
      Unit price
      / per 
    • Kies-Motorsports Vorsteiner BMW F90 M5 VRS PROGRAM (2017+) VRS Aero Rear Diffuser Carbon Fiber PP 2x2 GlossyKies-Motorsports Vorsteiner BMW F90 M5 VRS PROGRAM (2017+) VRS Aero Rear Diffuser Carbon Fiber PP 2x2 Glossy
      Vendor:Vorsteiner

      BMW F90 M5 VRS PROGRAM (2017+) VRS Aero Rear Diffuser Carbon Fiber PP 2x2 Glossy

      BMW F90 M5 VRS PROGRAM 2017+ VRS Aero Rear Diffuser Carbon Fiber PP 2x2 Glossy Kies Motorsports Vorsteiner's carbon fiber parts are produced using a state-of-the-art aerospace autoclave system. This provides unsurpassed rigidity, strength and finish to our aerodynamic components. We distinguish ourselves by...
      $2,095.00 USD
      $2,095.00 USD
      $2,095.00 USD
      Unit price
      / per 
    • Kies-Motorsports Rennline 991.1 CARBON FIBER REAR DIFFUSERKies-Motorsports Rennline 991.1 CARBON FIBER REAR DIFFUSER
      Vendor:Rennline

      991.1 CARBON FIBER REAR DIFFUSER

       Rennline's carbon fiber rear diffuser is a great way to give the rear of your 991 an eye catching OEM+ upgrade by replacing the boring plastic unit. Made from hand-laid carbon fiber using the latest manufacturing technologies, our diffuser is sure to add a...
      $1,460.00 USD
      $1,460.00 USD
      Unit price
      / per 
    • Kies-Motorsports Akrapovic Akrapovic 21-22 Porsche 911 GT3 (992) Rear Carbon Fiber Diffuser - High Gloss
      Vendor:Akrapovic

      Akrapovic 21-22 Porsche 911 GT3 (992) Rear Carbon Fiber Diffuser - High Gloss

      This hand-crafted high-quality carbon fibre diffuser is available in a matte or high-gloss finish to complete The Akrapovic exhaust and harmonize with the rear of the car. Fully emphasizing the twin tailpipes of the Slip-On Race Line (Titanium), the diffuser has titanium plates on...
      $2,207.11 USD
      $2,207.11 USD
      Unit price
      / per 
    • Kies-Motorsports Akrapovic Akrapovic 21-22 Porsche 911 GT3 (992) Rear Carbon Fiber Diffuser - MatteKies-Motorsports Akrapovic Akrapovic 21-22 Porsche 911 GT3 (992) Rear Carbon Fiber Diffuser - Matte
      Vendor:Akrapovic

      Akrapovic 21-22 Porsche 911 GT3 (992) Rear Carbon Fiber Diffuser - Matte

      This hand-crafted high-quality carbon fibre diffuser is available in a matte or high-gloss finish to complete The Akrapovic exhaust and harmonize with the rear of the car. Fully emphasizing the twin tailpipes of the Slip-On Race Line (Titanium), the diffuser has titanium plates on...
      $1,968.05 USD
      $1,968.05 USD
      Unit price
      / per 
    • Kies-Motorsports Akrapovic Akrapovic 2022+ Porsche 718 Cayman GT4 RS Rear Carbon Fiber Diffuser - MatteKies-Motorsports Akrapovic Akrapovic 2022+ Porsche 718 Cayman GT4 RS Rear Carbon Fiber Diffuser - Matte
      Vendor:Akrapovic

      Akrapovic 2022+ Porsche 718 Cayman GT4 RS Rear Carbon Fiber Diffuser - Matte

      This product is expertly handcrafted using race-proven carbon fibre. The diffuser is available in a matte or high-gloss finish to complement the tailpipes of the Slip-On Race Line (Titanium) exhaust. The lower part of the diffuser has two replaceable rubber protectors that prevent the...
      $4,754.73 USD
      $4,754.73 USD
      Unit price
      / per 
    • Kies-Motorsports Akrapovic Akrapovic 2020+ Porsche Cayman GTS 4.0 (718) Rear Carbon Fiber Diffuser - High Gloss
      Vendor:Akrapovic

      Akrapovic 2020+ Porsche Cayman GTS 4.0 (718) Rear Carbon Fiber Diffuser - High Gloss

      Akrapovic 2020+ Porsche Cayman GTS 4.0 (718) Rear Carbon Fiber Diffuser - High Gloss
      $2,696.34 USD
      $2,696.34 USD
      Unit price
      / per 
    • Kies-Motorsports Akrapovic Akrapovic 2023 BMW M2 (G87) Rear Carbon Fiber Diffuser - Matte
      Vendor:Akrapovic

      Akrapovic 2023 BMW M2 (G87) Rear Carbon Fiber Diffuser - Matte

      Akrapovic 2023 BMW M2 (G87) Rear Carbon Fiber Diffuser - MatteThis Part Fits: Year Make Model Submodel 2023 BMW M2 Base
      $1,938.86 USD
      $1,938.86 USD
      Unit price
      / per 
    • Kies-Motorsports Akrapovic Akrapovic 2023 BMW M2 (G87) Rear Carbon Fiber Diffuser - Gloss
      Vendor:Akrapovic

      Akrapovic 2023 BMW M2 (G87) Rear Carbon Fiber Diffuser - Gloss

      To further personalise the styling, there is a choice of optional hand-crafted carbon-fibre rear diffusers. Produced in-house by highly skilled technicians, this lightweight accessory  – with ABE type approval – is designed to show off the tailpipes of The Akrapovic Slip-On Line (Titanium) exhaust at their absolute best. They are available in...
      $2,186.26 USD
      $2,186.26 USD
      Unit price
      / per 
    • Kies-Motorsports Akrapovic Akrapovic 21-22 BMW M3 (G80) / M4 (G82, G83) Rear Carbon Fiber Diffuser - High Gloss BlackKies-Motorsports Akrapovic Akrapovic 21-22 BMW M3 (G80) / M4 (G82, G83) Rear Carbon Fiber Diffuser - High Gloss Black
      Vendor:Akrapovic

      Akrapovic 21-22 BMW M3 (G80) / M4 (G82, G83) Rear Carbon Fiber Diffuser - High Gloss Black

      For extra visual impact, there is the option to add a hand-crafted carbon fibre diffuser. Produced in-house, this lightweight accessory – with ABE type approval – is designed to show off the tailpipes of The Akrapovic exhaust at their absolute best. A new feature...
      $2,892.31 USD
      $2,892.31 USD
      Unit price
      / per 

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    BOOTMOD3 N20 N26 - BMW F Chassis 125i 220i 228i 320i 328i 420i 428i 520i 528i Tune

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    BOOTMOD3 N55 - BMW F Chassis M135I 235I M235I 335I 435I 335I 535I ActiveHybrid 640I X3 X4M40I X4 X5 X6 M2 Tune

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    BOOTMOD3 N20 N26 - BMW F Chassis 125i 220i 228i 320i 328i 420i 428i 520i 528i Tune

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    TERMS (REQUIRED)

    OFF-ROAD USE POLICY & EMISSIONS COMPLIANCE NOTICE

    California Proposition 65 Warning:

    This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

    For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.

    EPA / CARB Compliance & Legal Use:

    Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.

    • Civil penalties up to $4,819 per violation per vehicle
    • Possible criminal penalties under the Clean Air Act
    • Revocation of registration or smog certification by DMV or local authorities

    State & Local Regulations:

    Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.

    Intended Use & Customer Certification:

    All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.

    Company Policy Statement

    Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.

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