The Redhorse Performance -03 Female to -03 Female Coupler is a simple, reliable fitting designed for clean brake line plumbing in racing and performance applications. With a -03 AN female to -03 AN female configuration, this coupler is ideal for connecting brake system components while maintaining a secure and professional installation.
 
Machined for dependable fitment and durability, this coupler is especially useful in race car brake setups where space, routing, and serviceability all matter. Its compact design makes it an effective solution when joining -03 AN brake line fittings in tight or specialized plumbing layouts.
 
The Redhorse Performance -03 Female to -03 Female Coupler is commonly used on Legend Car brake systems, specifically on the front port of the 2-port master cylinder when running a tee adapter for the front calipers. That makes it a practical choice for racers looking for the correct fitting for this common brake plumbing setup.