G35 Coupe FD Spec - Non-gutted Ladder Door Bar Roll Cage

Overview

This FD Spec Roll Cage Kit for the Infiniti G35 Coupe is designed to meet Formula Drift tech requirements, using 1.5″ x .095″ 1020–1026 DOM tubing throughout the structure. Featuring ladder-style door bars and a non-gutted configuration, it allows partial retention of the factory interior and functional windows for a clean, practical setup on a competitive chassis.

Note: This is a made-to-order weld-in kit. Always verify regulations with your sanctioning body before purchase.

Key Features

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  Vehicle Fitment: Infiniti G35 Coupe (2003–2007)

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  Material: 1.5″ x .095″ 1020–1026 DOM steel tubing

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  Weld-In Design: Requires welding and accurate fitment

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  CNC Notched & Bent Tubing for efficient assembly

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  Laser-Etched Tube Guides for precise tube alignment

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  Ladder Door Bars: Designed for side impact safety while maintaining interior clearance

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  Non-Gutted Configuration:

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    Requires minor trimming of door cards

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    Retains enough interior for working windows

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  Two Harness Bar Height Options for the following configurations:

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    Single diagonals (main and rear down bars)

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    Dual diagonals (main and rear down bars)

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  Optional FIA Bars (not required for install)

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Description

The Infiniti G35 Coupe FD Spec Roll Cage is engineered for competitive drift use while accommodating a non-gutted interior layout. Featuring ladder-style door bars, this cage offers strong side impact protection and driver clearance, while still preserving partial door panels and operational windows—ideal for track builds that double as demo or display cars.

The cage is constructed entirely from 1.5″ x .095″ DOM tubing, CNC notched and mandrel bent for accuracy and ease of install. Laser-etched placement markers take the guesswork out of assembly and ensure a fast, precise fit.

This is a weld-in kit that requires time and attention to properly fit—accuracy during the prep and fitting phase results in a cleaner install overall.

Important Notes

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  Made to order – All sales are final

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  Some trimming of factory door panels is required

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  Confirm sanctioning body compliance before purchasing

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  Windows remain functional in this configuration

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