MBRP S5314409 Armor Plus 3" Cat-Back Exhaust for 09-21 Toyota Tundra 4.6/5.7L V8

Vehicle Fitment

• 2009-2021 Toyota Tundra (4.6 L V8, Standard/Extended Cab, Short/Long Bed, RWD/4WD)

Fitment Notes

• Single-side exit configuration only; not compatible with dual split exit or rear exit systems.
• Designed for street profile; race profile versions are separate SKUs.
• 2022-2025 model years unconfirmed--verify separately before ordering.

Features

• T409 stainless steel construction for superior corrosion resistance and durability
• Mandrel-bent 3" tubing maximizes exhaust flow and reduces backpressure
• Includes premium T304 polished 4" tip for aesthetic and longevity
• Street-profile tone engineered for a deeper rumble without aggressive drone
• Direct-fit, no-weld design using factory hangers and hardware
• Dyno-tested to deliver increased horsepower and torque
• Lifetime warranty on T409 stainless (Armor Plus series)
• Bolt-on ease ensures a fast, hassle-free installation

Specifications

• Position: Cat-back system (rear of catalytic converter to single side exit)
• Tube diameter: 3" mandrel-bent T409 stainless
• Tip: 4" OD T304 stainless, single wall, rolled angle cut
• Exhaust style: Single side exit
• Fitment range: 2009-2021; 4.6 L and 5.7 L gas engines
• Compatibility: Uses factory hangers; includes all necessary clamps and hardware
• Warranty: Lifetime on stainless components
• Material finish: Brushed stainless with polished tip

Included Components

• 1x 3" T409 stainless cat-back mid and tail section
• 1x 4" T304 stainless tip (rolled angle cut)
• 1x Full installation hardware kit (clamps, brackets, hangers)

Product Description

The MBRP S5314409 Armor Plus cat-back exhaust system is a premium upgrade engineered for 2009-2021 Toyota Tundra trucks equipped with either the 4.6 L or 5.7 L gas V8. Crafted from durable T409 stainless steel with mandrel-bent 3" tubing, this single side-exit system enhances exhaust flow, adds horsepower, and delivers a refined street sound without excessive drone.

Finished with a polished 4" T304 stainless tip and backed by a lifetime warranty, this bolt-on system installs easily using OEM hangers and hardware. Built for longevity and performance, the S5314409 delivers an aggressive, yet refined, tone and a reliable, rust-resistant build for miles to come.