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Xforce

1317 AUDI S3 SEDAN 3IN BRUSHED SS CAT BACK SYS W/ VAREX MUFFLER & SMARTBOX CONT

$1,294.14

SKU: X001 ES-AS313S-VMKSB-CBS

Out of Stock
In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This XForce 3" Stainless Steel Cat-Back Exhaust System includes a Varex Muffler and Smartbox Bluetooth Exhaust Controller. It is a bolt-on system designed for easy installation, performance, longevity, and aesthetics. The Varex muffler features patented technology to combine stock and performance muffler designs, using a butterfly valve for adjustable sound levels. The Smartbox allows manual and automatic sound adjustment via a smartphone app, based on RPM, throttle, speed (Matrix Mode - OBDII vehicles only), and geographical location (Geo Mode).

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandXforce
Part NumberX001 ES-AS313S-VMKSB-CBS

Buy with Confidence

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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