Vehicle Compatibility

Acura RSX

• 2005 Acura RSX Base
• 2005 Acura RSX Type-S
• 2006 Acura RSX Base
• 2006 Acura RSX Type-S

Chassis

• DC5 Facelift Models

This rear lip is designed specifically for 2005-2006 bumper configurations.

Aerodynamic Design: Classic air dam rear under chin spoiler visually enhances the car’s performance appearance; Improves aerodynamic efficiency to stability and reduce fuel consumption; With 3rd brake light design, complement the fog lights and tail lights, effectively ensure that night driving safety

Why Rear Bumper Lips Matter

Many enthusiasts install:

• Front lips
• Side skirts
• Lowered suspension
• Aggressive wheels

Yet the rear bumper often remains completely stock.

A rear lip helps:

Complete the Aero Package

Creates a balanced appearance.

Lower the Visual Ride Height

Makes the vehicle appear closer to the ground.

Improve Styling

Adds a more aggressive look.

Modernize the Rear End

Gives the RSX a more performance-focused appearance.

The difference is subtle, but once installed, it’s difficult to imagine the car without it.

Integrated LED Brake Light

One of the unique features of this diffuser-style lip is the built-in brake light.

Benefits

• Additional rear visibility
• Improved nighttime presence
• Motorsport-inspired styling
• Complements factory lighting

The integrated LED design gives the rear bumper a more modern appearance while enhancing visibility.

Polyurethane Construction

Material choice plays a huge role in durability.

This lip uses:

Polyurethane (PU)

Benefits include:

Flexible Design

Less likely to crack than fiberglass.

Impact Resistance

Handles daily driving conditions more effectively.

Lightweight Construction

Adds minimal weight.

Long-Term Durability

Suitable for street-driven vehicles.

Many enthusiasts prefer polyurethane over fiberglass because it survives real-world driving much better.

Improved Rear-End Styling

The RSX has always featured clean body lines, and this lip helps accentuate them.

Visual enhancements include:

More Aggressive Rear Profile

Creates a performance-oriented appearance.

Better Flow

Matches front and side aero components.

Type R-Inspired Presence

Adds a subtle motorsport feel.

Without being overly flashy, the rear valance helps make the car stand out.

Aerodynamic Design

While appearance is the primary reason most owners purchase rear lips, aerodynamic benefits may also exist.

Potential advantages include:

Improved Airflow Management

Helps smooth airflow under the rear bumper.

Reduced Turbulence

Can contribute to better aerodynamic efficiency.

Enhanced Stability

Especially during highway driving.

Real-world gains are modest, but the design follows principles used in factory performance vehicles.

Paint-Ready Finish

The lip ships in black polyurethane.

Customization Options

• Color-match factory paint
• Satin black finish
• Gloss black appearance
• Custom show-car paint schemes

Many owners choose to paint the lip body color for an OEM+ appearance.

Excellent Pairing With Other RSX Mods

This rear lip works exceptionally well alongside:

Exterior Upgrades

• Type R spoiler
• Front lip kits
• Side skirts
• JDM headlights

Suspension

• BC Racing Coilovers
• Fortune Auto Coilovers
• Lowering Springs

Wheels

• Volk TE37
• Enkei RPF1
• Work Emotion Series

Together these modifications create a cohesive enthusiast build.

Installation Notes

Installation Style

• Bolt-On Design

The manufacturer notes:

• Instructions are not included
• Professional installation recommended
• Vehicle should be clean and dry before installation

Test fitting before painting is always recommended.

Why 2005-2006 RSX Owners Love Aero Mods

The facelifted RSX already features:

• Updated headlights
• Revised taillights
• Improved front bumper styling

Adding a rear diffuser-style lip helps complete the factory facelift appearance and brings additional visual aggression to the rear of the car.

Pros and Cons

Pros

• Fits 2005-2006 Acura RSX
• Compatible with Base and Type-S
• Integrated LED brake light
• Durable polyurethane construction
• Paint-ready finish
• Aggressive styling
• Direct-fit design

Cons

• Professional installation recommended
• Instructions not included
• Requires wiring for LED light
• Not compatible with 2002-2004 bumpers

Frequently Asked Questions

Will this fit a 2004 RSX?

No. This rear lip is designed specifically for 2005-2006 facelift bumpers.

Does the LED light function as a brake light?

Yes. The integrated LED is designed to complement the factory rear lighting system.

Can it be painted?

Absolutely. The polyurethane surface is suitable for prep and paint.

Is polyurethane better than fiberglass?

For most street-driven vehicles, polyurethane offers greater flexibility and impact resistance.

Final Thoughts

The IKON Motorsports Rear Bumper Lip with LED Brake Light is an excellent finishing touch for the 2005-2006 Acura RSX. With durable polyurethane construction, integrated lighting, and aggressive styling, it helps transform the rear end while maintaining the clean design language that makes the DC5 such an iconic chassis.

Because after you’ve lowered it, put wheels on it, added a spoiler, and cleaned up the body lines, the stock rear bumper starts looking like it missed the group project.