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SKU: 322 541 A | UPC: 4996338322104
Cusco Strut Bar OS Rear 2002-2006 Acura RSX 2002-2005 Civic Si
The Cusco Strut Bar OS Rear 322 541 A connects the rear strut towers on 2002-2006 Acura RSX Base and Type-S models plus 2002-2005 Honda Civic Si EP3 chassis. This reinforcement bar cuts down body flex for quicker turn-in and firmer cornering control on street or track. Drivers notice immediate gains in steering feedback and overall composure under load.
Key Features
- One-Piece OS Design: Spans both rear strut towers to tie the chassis together firmly and direct suspension forces precisely
- 32mm Steel Tubing: 3mm wall thickness delivers strength without added bulk for responsive performance
- No-Slip Oval Sleeve: Locks bar securely to prevent rotation and maintain consistent bracing under hard cornering
- Black Powder Coat Finish: Resists corrosion and road contaminants for long-lasting appearance and function
- Included M12 Hardware: Chrome-plated bolts washers and bushings ensure clean bolt-on setup with factory mounts
Product Notes
- Direct replacement for stock weak points no drilling or cutting required
- Compatible with OEM and coilover struts shocks
- Securely boxed for protection during transit 39.4 x 7.1 x 5.1 inches
Installation Notes
- Professional installation recommended.
- Remove rear interior trim panels for access to strut tops
- Torque M12 bolts to 55 Nm using thread locker on stock or aftermarket towers
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Base |
| 2002-2006 | Acura | RSX | Type-S |
| 2002-2005 | Honda | Civic | Si |
Why Choose Cusco?
- Proven in Super GT D1GP drifting and rally with JDM teams
- Made in Japan with strict quality controls for every part
- Engineered specifically for K20-powered chassis like DC5 and EP3
Frequently Asked Questions
-
Q: Will this fit my 2004 Acura RSX Type-S with coilovers?
A: Yes it bolts directly to the strut top mounts on OEM or aftermarket coilover towers without clearance issues -
Q: What material and diameter is the bar?
A: High-tensile steel tubing 32mm outer diameter with 3mm wall thickness for optimal strength-to-weight -
Q: What is the warranty and return policy?
A: Cusco offers warranty against manufacturing defects contact us with photos for claims easy returns within 30 days
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Custom protective box 39.4 x 7.1 x 5.1 inches
- Weight: 8.8 lbs
Cusco
Cusco is a Japanese performance parts manufacturer with over 40 years of motorsports experience, producing coilovers, suspension braces, differentials, roll cages, and chassis reinforcement components for top sport compact and all-wheel-drive platforms. Cusco parts are built to motorsport tolerances and are used by professional race teams competing in Japanese domestic market racing series alongside street performance enthusiasts worldwide.Popular UpgradesCusco coilover kits, strut tower braces, and rear member braces are the most popular products for Subaru WRX and STI, Toyota 86 and GR86, Mazda Miata, Honda Civic, and Mitsubishi Evo platforms. Cusco limited-slip differentials and differential braces provide improved traction and reduced chassis flex for track and autocross builds on AWD platforms. Cusco adjustable control arms and camber kits allow precise alignment correction after lowering springs or coilovers are installed.What chassis bracing does Cusco make for the Subaru WRX...
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Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
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