M3 GTR-S Side Skirt Diffuser Extensions for 1999-2006 BMW 3-Series 2-Door [E46]

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DTM Fiber Werkz BMW E46 M3 GTR-S Side Skirt Diffuser Extensions [FRP or CFRP]

Give your BMW E46 M3 a new look with these streamlined, race-inspired GTR-S style Side Skirt Diffuser Extensions. Featuring functional streamlined aerodynamic styling, these Side Skirt Diffuser Extensions are designed to mate up to the OEM M3 side skirts and lend a super aggressive, track-ready look to your E46 and feature side skirt diffusers. Produced using Fiberglass Reinforced Plastic (FRP) for superior strength and durability, these Side Skirt Diffuser Extensions come unpainted and finished in a gel coat, ready to prep, prime and paint to match your vehicle or are also available in full carbon fiber construction (+$100.00). Vehicles shown may include moldings, grilles or an addition to the DTM Autowerkz piece. Parts such as lights, splitters, canards, paint, grilles and other accessories are not included unless specified.

AttentionNOTE: Like all Carbon Fiber and FRP products on the market, this product must be test fitted & prepped before installing it. Often, slight modifications are required such as trimming, sanding, filling, or smoothing the surface in order to achieve the best fitment and appearance. This is NOT an OEM product, fitment will NOT always be perfect straight out of the box. We strongly recommend having this product installed by a body shop experienced in working with AFTERMARKET body kit pieces, not a standard collision repair center that works on insurance claims. Images for this item are an accurate representation of THIS PRODUCT, properly installed by a professional installer. We also offer installation of this product at our own installation facility in southern California.

DTM Fiber Werkz BMW E46 Side Diffuser Extensions Mounted

DTM Fiber Werkz BMW E46 Side Diffuser Extensions In Optional Carbon Fiber

Key Features:

  • Gives your E46 an injection of race-ready Aerodynamic design
  • Functional Side Skirt Diffusers
  • FRP Construction
  • Optional Carbon Fiber Construction (+$100.00)


  • BMW M3 [E46-Chassis] 2001-06 FRP (E46SideDiffus)

ModBargains Installation

Questions about this E46 GTR-S Style Side Skirt Diffuser Extensions? Our Modification Experts are standing by and available to help you, online or by calling 714-582-3330. ModBargains also offers expert installation and can install this upgrade for you. Call today!

Mod Category:
Mod Subcategory:
Side Skirts / Splitters / Extensions