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XForce  |  SKU: ES-AS313H-VMKSB-CBS

XForce Audi 8V S3 Hatch Varex Valved Cat Back Exhaust With Smart Box (13-21)

Regular price $ 1,775.00
Shipping calculated at checkout.

Short Description

Upgrade your Audi 8V S3 Hatch with the XFORCE Varex Valved Cat Back Exhaust featuring SmartBox control. Built from 304 stainless steel with a 3” high-flow design, quad 4” tips, and adjustable VAREX valve technology, this system delivers customizable sound and enhanced performance at the push of a button.

Pickup available at Panda Warehouse

Usually ready in 5+ days

Delivery and Shipping

Domestic orders for in-stock items typically arrive within 5-10 business days, while international orders for in-stock items may take 12–15 business days.

If an item is out of stock or back-ordered, we will contact you within 3–5 business days with an estimated time of arrival (ETA) or alternative options before the order is fulfilled.

Price Match Guarantee

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Description

Give your Audi 8V S3 Hatch the soundtrack it deserves with the XFORCE Varex Valved Cat Back Exhaust System with SmartBox. Engineered for performance, sound control, and premium styling, this 3-inch high-flow exhaust system reduces backpressure while delivering an aggressive, race-inspired tone when you want it — and refined civility when you don’t.

Constructed from brushed 304-grade stainless steel, the 3” mandrel-bent pipework improves exhaust flow and durability. A center hot dog resonator helps balance tone, while the polished Varex R Series rear muffler integrates XFORCE’s signature VAREX valve technology. This system allows you to actively control exhaust volume through the included SmartBox controller, giving you full command of your S3’s sound profile from mild to wild.

The SmartBox system connects to an intuitive mobile app, unlocking exclusive functionality and real-time exhaust control. Whether cruising quietly through town or unleashing full performance on demand, the VAREX system adapts instantly to your driving style.

Finishing touches include precision TIG welds, a clean brushed stainless appearance, and quad 4-inch polished stainless steel tips that perfectly complement the aggressive styling of the 8V S3 Hatch.

This system is a direct-fit cat back solution designed specifically for the Audi 8V S3 Hatch, delivering performance gains, sound customization, and premium construction in one complete package.

Specifications

Vehicle Fitment: Audi 8V S3 Hatch 2013-2020

Brand: XFORCE

Part Number: ES-AS313H-VMKSB-CBS

System Type: Cat Back Exhaust System

Pipe Diameter: 3 inches

Material: 304-grade stainless steel

Finish: Brushed stainless steel pipework

Center Section: Hot Dog resonator

Rear Muffler: Polished Varex R Series valved muffler

Valve Control: VAREX exhaust valve

Controller Included: Varex SmartBox with app functionality

Tip Configuration: Quad 4” polished stainless steel tips

Welding: Precision TIG welds

Installation: Direct-fit bolt-on replacement

Warranty: Manufacturer’s limited warranty covering defects in materials and workmanship. Applies to stainless steel pipework, welds, Varex muffler, valve assembly, and SmartBox controller

Important Notice
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