MBRP 2000-2006 Jeep Wrangler (JK) Inline-4 2.5L Inline-6 4.0L Cat Back Single Side

SKU: S5500409 / UPC: 882963105899

MBRP Cat-Back Exhaust System: Power and Durability for Your 2000-2006 Jeep Wrangler TJ

Upgrade your Jeep's exhaust with the MBRP S5500409, this 2.5-inch cat-back system is engineered for single side exit that delivers measurable gains in horsepower and torque compared to factory setups and other aftermarket options. This T409 stainless steel exhaust reduces backpressure for freer flow, dropping exhaust gas temperatures while adding up to 18 horsepower and 28 lb-ft of torque results confirmed through dyno testing on similar Jeep TJ applications.

Drivers report quicker throttle response and a deeper, more aggressive tone that stands out on trails without excessive drone on highways.

Built to last with corrosion-resistant materials, it outperforms milder aluminized systems in harsh off-road conditions, making it the reliable pick for Wrangler owners seeking real-world power without frequent replacements.

Precise Fitment for Your Jeep

This exhaust bolts directly onto your vehicle for a hassle-free install, compatible with:

• Year: 2000-2006
• Make: Jeep
• Model: Wrangler TJ (including Rubicon variants)
• Engine: Inline-4 2.5L or Inline-6 4.0L
• Exhaust Type: Cat-back, single side exit, 2.5-inch diameter piping

Verify compatibility with your specific trim using the part number S5500409 during ordering. No modifications needed for standard TJ frames, fits both left and right side exits depending on your configuration.

Complete Kit Contents

Every S5500409 purchase includes all components for a full cat-back replacement, shipped as a single assembly-ready kit:

• Muffler (1x): Part W190454 – 2.5-inch inlet/outlet, 120-degree offset, 6-inch round straight-through design for balanced sound and flow.
• Tail Pipe Assembly (1x): Part W190455 – Mandrel-bent 2.5-inch tubing for smooth exhaust routing.
• Band Clamp (1x): Part 2.5ACS – 2.5-inch stainless steel for secure, vibration-resistant connections.
• Exhaust Tip (1x): Part T5106 – Mirror-polished stainless steel, 2.5-inch inlet to 3.5-inch outer diameter, dual-walled rolled edge for a clean, factory-plus finish.
• Hardware Pack:
• Bolts (2x): Part HBS0003-016 – 3/8-16 x 2-inch hex head, grade 5 zinc-plated.
• Flat Washers (4x): Part HWS0001-375 – 3/8-inch zinc-plated.
• Lock Washers (2x): Part HWS0003-375 – 3/8-inch zinc-plated split lock.
• Hex Nuts (2x): Part HNS0001-375 – 3/8-inch grade 5 zinc-plated.

All parts arrive pre-assembled where possible, with detailed instructions for a 1-2 hour DIY install using basic tools.

The system features fully mandrel-bent pipes to maintain consistent diameter, ensuring even better scavenging than crimped alternatives.

Materials and Build Quality

Constructed from heavy-duty T409 stainless steel throughout, this exhaust resists rust and pitting far longer than mild steel competitors, even after years of mud, salt, and water exposure.

The street-profile tuning provides a refined rumble that enhances your TJ's character, while the lifetime warranty covers defects in materials and workmanship peace of mind that beats limited-term guarantees from other brands.

Shipping and Packaging Details

• Part Weight: 21.5 lbs
• Box Dimensions: 11 inches wide x 6 inches high x 35 inches long

Compact packaging fits most carriers for affordable ground shipping, with protective wrapping to prevent dings during transit.

For the 2000-2006 Jeep Wrangler TJ owner tired of restricted factory exhaust, the MBRP S5500409 stands as the direct path to more pull, cooler running temps, and lasting build quality. Add it to your cart today and feel the difference on your next run UPC 882963105899 ensures easy tracking for returns or warranty claims.

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