Exhaust› Exhaust Pipes, Systems and Components

XForce

3-Inch Cat-Back Exhaust System

$1,012.50

SKU: ES-SW27-VMK-CBS

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 XForce ES-SW27-VMK-CBS is a 3-inch cat-back exhaust system designed to enhance the sound and performance of your Subaru WRX or STI.

Constructed from 304 stainless steel with mandrel-bent pipework, it features a straight-through design for maximum power and a sports sound. The system includes a center hot-dog style resonator and an oval rear muffler that splits from a 3″ center to twin 2.5″ outlets. It is finished with quad 3.5″ double-walled tips and is available in a higher sound version.
Show original supplier description
The XForce 3" Stainless Cat-Back Exhaust System (ES-SW27-VMK-CBS) is engineered to unlock the sound and performance potential of your Subaru WRX or STI models from 2011-2021. The mandrel-bent pipework and straight-through design are optimized for maximum exhaust flow, contributing to increased power and a more aggressive sports sound. Key features include a center hot-dog style resonator for a refined tone, an oval rear muffler, and a 3″ center muffler that splits into twin 2.5″ pipes. The system is completed with quad 3.5″ double-walled tips. For added customization and sound control, the system is compatible with XForce's Varex muffler technology and the Varex SmartBox, allowing users to adjust the exhaust sound via remote control. All necessary hardware is included for a hassle-free process. This cat-back system is specifically designed to fit the 2011-2021 Subaru WRX and 2011-2021 Subaru WRX STI models.
Vehicle Symptoms
  • Stock exhaust sounds too quiet
  • Not enough power after tune
  • Exhaust drone at highway speeds
  • Rusty or corroded factory exhaust
  • Exhaust leak at mid-pipe connection
Relevant Conversations
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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

BrandXForce
Part NumberES-SW27-VMK-CBS
CategoryExhaust
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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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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