Exhaust› Exhaust Pipes, Systems and Components

MAPerformance

Axle-Back Exhaust System, 3.5-Inch Tips

$324.99

SKU: MAP STI-4G-RMD-SCB-REV2-BF-19+

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INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

Constructed from T304 Stainless Steel with 2-inch mandrel-bent tubing, it features expert TIG welding with backpurge and 3/8" laser-cut flanges. The system includes stylish 3.5-inch exhaust tips, available in stainless steel or burnt blue finishes, and utilizes 3/8" exhaust hangers. This axle-back is designed as a direct fit to the OEM Y-Pipe and offers an aggressive tone and a weight savings of over 50%, weighing only 12.25lbs.
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Crafted from durable T304 stainless steel, this axle-back features 2-inch mandrel-bent tubing for optimal flow, and is meticulously TIG-welded with backpurge for superior integrity. Each component is built to last, with 3/8" laser-cut flanges and rugged 3/8" exhaust hangers. The system culminates in stylish 3.5-inch exhaust tips, offered in your choice of polished stainless steel or a striking burnt blue finish. Additionally, it offers a substantial weight reduction of over 50% compared to the stock exhaust, coming in at just 12.25lbs. This axle-back exhaust is compatible with 2015-2021 Subaru WRX Sedans and 2015-2021 Subaru WRX STI Sedans. Please note that this system does not fit SPT exhausts.

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

BrandMAPerformance
Part NumberMAP STI-4G-RMD-SCB-REV2-BF-19+
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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