Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Exhaust› Exhaust Pipes, Systems and Components

Armytrix

Performance Downpipe

Name: Performance Downpipe
Brand: Armytrix
SKU: TOSU3-6DD

$669.30

SKU: TOSU3-6DD

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The ARMYTRIX TOSU3-6DD is a performance downpipe designed to enhance your vehicle's exhaust system. It aims to increase power, reduce weight, and improve sound, particularly in the low and mid rev ranges. This precision-made system adds a deep, sporty sound while neutralizing annoying frequencies.

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The ARMYTRIX TOSU3-6DD is a high-flow performance race downpipe constructed from stainless steel, featuring a 200 CPSI catalytic converter and a cat simulator with wireless valve control. The system's effect on sound is substantial, providing a deep, resonant sporty tone while effectively neutralizing unwanted frequencies at critical RPMs. This downpipe is precision-made to enhance your vehicle by increasing power, reducing weight, and improving sound and style. The included 200 CPSI catalytic converter contributes to better exhaust flow compared to stock components. The ARMYTRIX downpipe is specifically engineered for the Toyota Supra A90/A91 with the 3.0L Turbo engine, fitting models from 2020-2021 with an OPF (Otto Particulate Filter).

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	Armytrix
Part Number	TOSU3-6DD
Category	Exhaust

Videos

CATLESS DOWNPIPE WITHOUT THE ENGINE LIGHT! A90 SUPRA B58TU ARMYTRIX

Toyota Supra GR A90 MK5 w/ ARMYTRIX Turbo-Back Valvetronic Exhaust System (OPF, Euro 6)

2020 Toyota Supra 3.0T | Armytrix Cat-Back V.S. Turbo-Back Valvetronic Exhaust Sound Comparison

ARMYTRIX CATLESS DOWNPIPE Stock Exhaust 2021 GR Supra

TIRE BURNOUT! Toyota Supra GR (OPF) w/ ARMYTRIX Valvetronic Turbo-Back Exhaust | Open & Close Valve

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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