Invidia Q300™ 3.5″ Rolled Dual-Wall Titanium Tip Axle-Back Exhaust — Part # HS22SW4AG1GTL
Overview
Upgrade the rear exhaust on your 2022–2025 Subaru WRX with the Invidia Q300™ Axle-Back Exhaust (HS22SW4AG1GTL). Designed to replace the factory rear section, this high-flow axle-back system enhances exhaust sound, improves flow, and adds aggressive styling with premium titanium tips. Built for enthusiasts who want a refined yet spirited exhaust tone, the Q300™ delivers a performance-oriented upgrade that complements both daily driving and performance builds.
Key Features
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Rolled Dual-Wall 3.5" Titanium Tips
Features eye-catching titanium finish tips that set off the rear styling with a premium, performance look.
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Direct-Fit Axle-Back Design
Engineered specifically for the 2022–2025 WRX exhaust layout — installs using factory hangers and mounting points for a clean, bolt-on fit. -
Durable Construction
Built with high-quality materials designed to withstand heat, corrosion, and daily use without sacrificing performance.
Benefits
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Produces a deeper, more aggressive exhaust tone compared to stock
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Improves exhaust flow for smoother, more responsive performance
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Adds a premium, performance-inspired rear appearance with titanium tips
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Ideal for daily driving and spirited street use
Fitment
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2022–2025 Subaru WRX
The Invidia Q300 Axle-Back Exhaust (HS22SW4AG1GTL) is a great choice for WRX owners looking to enhance their vehicle’s sound, style, and performance without complicated installation — just bolt it on and enjoy a more engaging drive.
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
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