Cat Back Exhaust for Toyota 4Runner (2010-2024) 2.7L 4.0L

High-Flow T304 Stainless Cat Back Exhaust for 2010-2024 Toyota 4Runner (N280)

What it Does: The Cat Back Exhaust replaces the restrictive OEM rear exhaust plumbing and baffled silencer on the 2010-2024 Toyota 4Runner to decrease exhaust backpressure, improve volumetric efficiency, and provide an aggressive exhaust tone.

The Stock Toyota 4Runner Exhaust Restriction

Factory exhaust assemblies on the fifth-generation 4Runner utilize multi-chambered, baffled mufflers and crush-bent tubing that induce excessive exhaust turbulence. These internal neck-downs bottleneck exhaust velocity directly downstream of the catalytic converter, causing parasitic pumping losses and trapping thermal energy. Under heavy trail crawl or sustained mountain inclines, the stock setup restricts the 1GR-FE and 2TR-FE powerplants from venting combusted gases cleanly.

The Engineering Solution

Constructed from mandrel-bent 304 stainless steel, this cat-back system maintains smooth, constant-diameter tubing walls to maximize volumetric scavenging and eliminate flow separation. The straight-through design reduces backpressure against the exhaust valves while standing up to high thermal cycles and chemical corrosion. Heavy-gauge factory-style mounting brackets, high-integrity weld joints, and matched mating flanges provide a robust, leak-free connection designed for rigorous off-camber articulation.

What's Included

• Cat-back exhaust piping
• Exhaust tip section
• Mounting hardware

Technical Specifications

Compatibility

• 2010 Toyota 4Runner 2.7L
• 2010-2024 Toyota 4Runner 4.0L

Frequently Asked Questions & Fitment Warnings

Does this fit the N280 4Runner?

Yes, this is a direct fit for the 2010-2024 Toyota 4Runner equipped with the 1GR-FE (4.0L) or 2010 2TR-FE (2.7L) engine. It does not fit non-listed model years or engine configurations.

Are mounting hardware and tips included?

Yes, this system includes the pictured tip section and mounting hardware necessary to bolt directly to the catalytic converter outlet flange.

The Toyota Off-Road Standard

Engineered to handle severe trail conditions and overland hauling, this system delivers uncompromising thermal resistance, clearance, and structural durability without cracking at the joints under chassis flex.