Muffler Exhaust System for Toyota Tundra (2005-2006) 4.7L Crew Cab Double Cab

Direct-Fit Stainless Muffler Exhaust System for 2005-2006 Toyota Tundra (XK30/XK40)

What it Does: The Muffler Exhaust System replaces the rusted factory exhaust assembly behind the catalytic converters on 2005-2006 Tundra trucks to restore proper exhaust velocity, eliminate cabin fumes, and re-establish factory sound dampening.

The Stock Toyota Tundra Exhaust Degradation

Factory exhaust piping on the first-generation XK30/XK40 platform relies on standard aluminized steel, which degrades rapidly when exposed to continuous thermal cycling, corrosive road de-icers, and acidic exhaust condensate. Over time, moisture accumulation rots out the internal muffler baffles and seam welds, leading to structural fatigue at the hanger junctions. This deterioration causes excessive cabin drone, dangerous exhaust gas leakage under the passenger floorboards, and backpressure anomalies that can trigger oxygen sensor trouble codes along the exhaust stream.

The Engineering Solution

Engineered as a complete bolt-on solution for the 4.7L 2UZ-FE V8, this replacement assembly is manufactured from heavy-duty 409 stainless steel to withstand road debris abrasion, thermal shock, and surface oxidation. Consistent cross-sectional tubing geometry is maintained through smooth mandrel bends, preventing the scavenging bottlenecks common to standard crush-bent pipes. Factory-style laser-cut flanges and welded, heavy-gauge steel hanger rods match factory mounting bushings directly, ensuring precise chassis alignment and leak-free sealing without the need for custom fabrication, cutting, or welding.

What's Included

• 1 Exhaust System assembly (muffler and intermediate tailpipe section)

Technical Specifications

Compatibility

• 2005-2006 Toyota Tundra 4.7L V8 Double Cab / Crew Cab

Frequently Asked Questions & Fitment Warnings

Does this fit the XK30/XK40 Tundra?

Yes, this is a direct fit for the 2005-2006 Toyota Tundra equipped with the 2UZ-FE engine. This unit fits Double Cab and Crew Cab configurations only; it does NOT fit Regular Cab or Access Cab models. Not legal for sale or use in CA, CO, NY, or ME.

Are cutting or welding modifications required for installation?

No, this assembly utilizes factory flange locations and stock rubber isolation hangers for a direct bolt-on mechanical installation.

The Toyota Truck Caliber

Engineered to handle grueling payload and heavy trailering duties, this stainless replacement maintains optimal cylinder scavenging and low exhaust temperatures, ensuring your V8 delivers dependable towing performance across high-mileage use.