Exhaust› Exhaust Pipes, Systems and Components

MagnaFlow

Street Series Cat-Back Exhaust System, 2.3L

$682.16

SKU: 16821

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Magnaflow Street Series Cat-Back Exhaust system is designed for the Mazda 3 Mazdaspeed 2.3L from 2007-2009. This performance exhaust system is constructed from 409 stainless steel for durability and features smooth mandrel bends. It offers a moderate exterior sound level and a mild interior sound level, with a single straight driver side rear exit style.
Show original supplier description
The Magnaflow Street Series Stainless Performance Exhaust system is engineered to deliver dyno-proven power gains for the 2007-2009 Mazda 3 Mazdaspeed with the 2.3L engine. The system is designed with a straight-through muffler type, contributing to increased horsepower and torque. This exhaust system provides a unique Magnaflow sound profile, characterized by a deep and smooth tone on the exterior, while maintaining a mild and comfortable sound level within the cabin. The exit style is a single straight tip positioned on the driver's side rear. Magnaflow backs this system with a lifetime construction warranty, highlighting its built-to-last construction. Installation recommendations from Magnaflow suggest professional installation for all their performance exhaust systems. It is also advised to inspect all fasteners after 25-50 miles of operation and retighten if necessary to ensure proper and safe function. All necessary hardware is included for installation.

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

BrandMagnaFlow
Part Number16821
CategoryExhaust
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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.

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