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A top wide view of Stillen Cat-Back Exhaust System for Kia Stinger GT [3.3L Twin Turbo] 2018-2023 with white background

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A close up view of the muffler of the Stillen Cat-Back Exhaust System for Kia Stinger GT [3.3L Twin Turbo] 2018-2023 with white background

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A close up view of the pipes of the Stillen Cat-Back Exhaust System for Kia Stinger GT [3.3L Twin Turbo] 2018-2023 with white background

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A view of the Stillen Cat-Back Exhaust System for Kia Stinger GT [3.3L Twin Turbo] 2018-2023 fitted inside of a car

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Stillen Cat-Back Exhaust System for Kia Stinger GT [3.3L Twin Turbo] 2018-2023

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Brand: StillenSKU / Part #: 504330

Regular price: $1,396.24
Regular price: ~~$1,605.67~~
Sale price: $1,396.24
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Subtotal: $1,396.24

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Stillen Cat-Back Exhaust System for Kia Stinger GT [3.3L Twin Turbo] 2018-2023

Subtotal: $1,396.24

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Overview

Stillen Cat-Back Exhaust System for Kia Stinger GT [3.3L Twin Turbo] 2018-2023

Upgrade the performance and sound of your Kia Stinger GT with the STILLEN Cat-Back Exhaust System. Designed to deliver maximum power gains while maintaining daily drivability, this system enhances your vehicle’s performance with an authoritative exhaust note and refined engineering.

Product Features

304 Stainless Steel Construction – Durable and corrosion-resistant
Uses Factory Tip Outlets – Maintains the OEM appearance
Greatest Incremental Horsepower Gain – +30 HP @ 6000 RPM*
Greatest Incremental Torque Gain – +30 lb-ft @ 3500 RPM*
Authoritative Tone Under Throttle – Aggressive yet refined sound profile
Limited Lifetime Warranty – Quality you can trust
Results May Vary

Performance & Sound

The STILLEN Cat-Back Exhaust is engineered for both performance-minded enthusiasts and those seeking a refined daily driving experience. The intelligent design reduces back pressure, allowing the Kia Stinger GT’s 3.3L Twin Turbo engine to reach peak performance.

Performance Gains: Frees up exhaust flow for improved acceleration and throttle response
Balanced Sound: Delivers an aggressive note under throttle while remaining quiet and comfortable at cruising speeds
Stock Integration: Retains factory emissions components and seamlessly fits within the OEM exhaust tip outlets

Perfect Pairings for Your Stinger GT

Short Ram Air Intake

Enhance power and induction sound with a STILLEN short ram air intake
Features a partially enclosed polyurethane heat shield for optimized airflow
Experience even greater performance gains when paired with the cat-back exhaust

Rear Diffuser

Designed to complement the aggressive exhaust tone with a race-inspired look
Fits over the existing rear valance to enhance aerodynamics and style
Note: Rear diffuser does not fit the 2022 Kia Stinger

Front Splitter

Molds perfectly to the lower front bumper for a race-ready appearance
Built from durable materials to withstand daily driving conditions

Fitment Chart:

Make	Model	Year
Kia	Stinger GT	2018-2023

Fitment

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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