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Carbon Fiber or Fiberglass Rear Diffuser for 2003-2005 Dodge Neon SRT4
This rear diffuser adds an aggressive, track-inspired look to the back of your 2003-2005 Dodge Neon SRT4 while helping manage airflow underneath the rear bumper. The underbody tunnel design is shaped to help discharge turbulent air from behind the tires more cleanly, which can reduce rear-end lift and improve high-speed stability compared to the stock rear valance. It is hand-laid using either real carbon fiber or fiberglass, backed with 10 oz cloth for directional strength, and finished with a glossy UV-protected clear coat that is ready to install without additional painting.
Key Features
- Underbody Tunnel Design - Shaped channels help direct turbulent air away from the rear bumper for improved high-speed stability
- Hand-Laid Construction - Built with 10 oz cloth backing for strength and consistent panel rigidity
- Glossy Clear Coat Finish - UV-protected clear coat is ready to install, with a paintable surface if a color-matched look is preferred
- Direct Bolt-On Fitment - Designed specifically for the 2003-2005 Neon SRT4 rear bumper, no cutting required
- Lightweight Panel - Adds minimal weight to the rear of the car compared to steel or aluminum diffuser designs
- Two Material Options - Available in carbon fiber for a lightweight woven finish or fiberglass for a smooth, paint-ready surface
Fitment
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2003-2005 | Dodge | Neon SRT4 | Direct bolt-on fit |
Specifications
| Detail | Value |
|---|---|
| Product Type | Rear Diffuser |
| Material Options | Carbon Fiber or Fiberglass |
| Reinforcement | 10 oz Cloth Backing |
| Finish | Glossy UV-Protected Clear Coat |
| Vehicle Placement | Rear Bumper |
| Adjustability | Fixed, Non-Adjustable |
| Installation Method | Bolt-On with 3M Double-Sided Tape |
| Exhaust Compatibility | Dual, Single, or No Exhaust Configurations |
What's Included
- 1 x Rear Diffuser (Carbon Fiber or Fiberglass, per selected option)
- Commercial-Grade 3M Double-Sided Tape
About Black Ops Auto Works
Black Ops Auto Works sources and sells performance and styling parts for daily-driven and modified vehicles, with a focus on hard-to-find fitments like the Neon SRT4 that many larger retailers no longer stock. Every listing is reviewed for accurate fitment and construction details before it goes live, so buyers know exactly what they are installing on their car.
Frequently Asked Questions
Does this diffuser need to be painted before installation?
No. It comes finished with a glossy UV-protected clear coat and can be installed as is. It can be painted afterward if you want a color-matched look.
What is the difference between the carbon fiber and fiberglass versions?
The carbon fiber version has a woven carbon finish under the clear coat, while the fiberglass version has a smooth surface that is easier to paint to match your bumper color.
Will this fit a Neon SRT4 with an aftermarket exhaust?
Yes. The diffuser is compatible with dual exhaust, single exhaust, or no exhaust configurations.
Does it fit all trim levels of the 2003-2005 Neon SRT4?
Yes. It is designed to fit the rear bumper on all 2003-2005 Dodge Neon SRT4 models.
Is drilling required for installation?
No drilling is required. The diffuser mounts using the included 3M double-sided tape at the existing attachment points on the rear bumper.
Is professional installation required?
Many experienced DIYers can install it at home, but professional installation is recommended to ensure proper alignment and a secure, long-lasting bond.
Can this diffuser be used on a Neon that is not the SRT4 trim?
No. It is shaped specifically for the SRT4 rear bumper and is not designed to fit other Neon trim levels.
How long does the clear coat finish last outdoors?
The clear coat is UV-protected to resist fading and yellowing from sun exposure, though like any clear coat finish it will hold up longest with regular washing and occasional waxing.
Installation Instructions
- Clean the rear bumper surface thoroughly with isopropyl alcohol where the diffuser will be mounted, and let it dry completely.
- Test-fit the diffuser against the rear bumper to confirm alignment with the existing attachment points before removing any adhesive backing.
- Peel back the liner on the included 3M double-sided tape and apply it to the back of the diffuser at the attachment points.
- Press the diffuser firmly into position against the rear bumper, holding steady pressure for several seconds to set the bond.
- Allow the tape to fully cure for the time recommended by the tape manufacturer before driving at highway speed or washing the vehicle.
Prop 65 Warning
WARNING: This product can expose you to chemicals including styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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