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Side Splitters

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A blue car parked in front of a garage
A blue sports car parked in a parking lot
A blue sports car parked in a driveway
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A black sports car parked in a parking lot
A black sports car parked in a parking lot
A black sports car parked in a parking lot
A black sports car parked in a parking lot
A black car parked in a parking lot
A black car parked in a parking lot
A black car parked in a parking lot
A red car parked in front of a building
A red car parked in front of a building
A red sports car parked in a parking lot
A red sports car parked in a parking lot
A blue dodge charger parked in a driveway
A blue dodge charger parked in a driveway
A blue dodge charger parked in a parking lot
A blue sports car parked in a parking lot
A blue sports car parked in a parking lot
A blue sports car parked in a parking lot
A blue sports car parked in a parking lot
A blue sports car parked in a parking lot
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A silver car parked in front of a building
A silver car parked in a parking lot
A silver car parked in a driveway next to a building
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$299.99

99 in stock

Looking for side splitters car owners can trust for track-inspired performance and a clean, aggressive look? 3gCustomz Side Splitters are engineered for vehicle-specific fitment to manage airflow along the rocker panels, helping reduce lift and improving high-speed stability and cornering feel.

Vehicle-Specific Fitment

Made to order for your exact year, make, model, and trim. Enter your details before checkout so we build and ship the splitter set that fits your car correctly.

Material & Construction

  • 1/8″ mill-finished brushed aluminum for a strong, lightweight splitter.
  • Stainless steel mounting hardware included — no plastic push pins or 3M tape.
  • Finish-ready: suitable for customer painting, powder coating, polishing, or wrapping.

Why Add Side Splitters

  • Improves underbody airflow along the rocker panels to enhance stability and cornering at speed.
  • Adds a more aggressive, lower visual profile.
  • Provides light rocker protection from road debris.
  • Complements front splitters, rear diffusers, and wickerbills for a complete aero package.

What’s Included

  • Left and right side splitters, built for your vehicle.
  • Stainless steel mounting hardware.
  • Digital installation instructions (PDF download becomes available after purchase).

Installation Notes

  • Test fit the splitters prior to prep and paint.
  • Professional installation recommended; attachment points may vary by vehicle.
  • This side splitters car upgrade is designed for solid mechanical mounting — no adhesive-only installs.

Shipping

Ships to the lower 48 U.S. states and Canada. For all other locations, please contact Ken at sales@3gcustomz.com for a quote.

Explore More Aerodynamics

Complete your build with our front splitters, rear diffusers, and wickerbills. Browse all aerodynamic styling and under-carriage parts.

Community Installs & Reviews

See customer installs and discussions on these enthusiast forums:

Disclaimer

3gCustomz LLC cannot control how this product is installed or used. By purchasing, the buyer/end user accepts all associated risks and confirms the necessary skills for installation. 3gCustomz LLC and its suppliers are not responsible for injuries, damages, losses, penalties, or fines resulting from the use or installation of this product. If you are unsure how to install side splitters, seek a professional installer.

A series of photographs of a blue sports car
A black sports car parked in a parking lot
A close up of a tire on a car
A black car parked on the side of a road
A black car parked in front of a building
A blue car parked in a driveway next to a building
A close up of a car tire on a street
A close up of a car tire on the ground
A black car parked in front of a garage
A blue sports car parked on the side of the road
A close up of a blue car parked on a street
A blue car parked on the side of the road
A blue car parked in front of a garage
A blue sports car parked in a driveway
A blue car parked in front of a garage
A blue sports car parked in a parking lot
A blue sports car parked in a driveway
A blue car parked in front of a building
A black sports car parked in a parking lot
A black sports car parked in a parking lot
A black sports car parked in a parking lot
A black sports car parked in a parking lot
A black sports car parked in a parking lot
A black car parked in a parking lot
A black car parked in a parking lot
A black car parked in a parking lot
A red car parked in front of a building
A red car parked in front of a building
A red sports car parked in a parking lot
A red sports car parked in a parking lot
A blue dodge charger parked in a driveway
A blue dodge charger parked in a driveway
A blue dodge charger parked in a parking lot
A blue sports car parked in a parking lot
A blue sports car parked in a parking lot
A blue sports car parked in a parking lot
A blue sports car parked in a parking lot
A blue sports car parked in a parking lot
A silver car parked in front of a building
A silver car parked in front of a building
A silver car parked in a parking lot
A silver car parked in a driveway next to a building
A close up of the rear end of a car
A black car parked in front of a building
A black truck parked in a parking lot
A close up of a tire on a car
A white sports car parked on the side of the road
A black truck parked in a parking lot