Call Us: 888-631-1433

ONLINE ONLY COUPON CODES:
SCP5: $5 OFF ORDERS OVER $125 - SCP25: $25 OFF ORDERS OVER $275 - SCP50: $50 OFF ORDERS OVER $550

These Coupons Are Only Available For Online Purchases
Painted Parts are painted to order and take additional time, right now we are about a 6-8 week lead time. Please keep this in mind.
Previous imageNext image

        Invidia 2015+ Subaru WRX / STI Gemini/R400 Single Layer Quad Titanium Tip Cat-Back Exhaust

        SKU: INV-HS15STIGM4ST
        Invidia 2015+ Subaru WRX/STI Gemini R400 Single Layer Quad Titanium Tip Cat-Back Exhaust Enhance your Subaru WRX or STI's performance and aesthetics with the Invidia Gemini R400 Cat-Back Exhaust System. Designed for 2015-2021 models, this system features robust 3-inch stainless steel piping and quad 4-inch titanium tips, delivering a deep, aggressive exhaust note. The mandrel-bent SUS304 stainless steel construction ensures durability and optimal exhaust flow, resulting in noticeable horsepower and torque gains. Precision TIG welding and CNC-machined flanges provide a seamless fit and finish, making this exhaust a perfect blend of style and performance.
        0.0
        Invidia
        • Free shipping
          • 11% less
          Market price: $1475.83, you save $162.23
        • $1313.60

        OR

        Invidia 2015+ Subaru WRX / STI Gemini R400 Cat-Back Exhaust – Quad Titanium Tips

        Upgrade your Subaru WRX or STI with the high-performance Invidia Gemini R400 Cat-Back Exhaust featuring quad titanium tips. Engineered for enthusiasts seeking enhanced exhaust tone, improved flow, and aggressive styling, this system delivers uncompromised quality and sound.

        With a 76mm main pipe that splits into dual 60mm sections and finishes with four 101mm single-layer titanium tips, the Gemini R400 system offers reduced back pressure, increased horsepower, and a unique, race-inspired look.

        Key Features:

        • Piping Diameter: 76mm main, dual 60mm split
        • Exhaust Tip Diameter: Quad 101mm
        • Tip Style: Single Layer Burnt Titanium
        • Premium SUS304 stainless steel construction
        • Mandrel-bent piping for maximum exhaust flow
        • Produces an aggressive, deep tone without excessive cabin drone
        • Direct bolt-on installation — no modifications required

        Vehicle Fitment:

        • 2015–2020 Subaru WRX Base 2.0L Turbo
        • 2015–2020 Subaru WRX Premium 2.0L Turbo
        • 2015–2020 Subaru WRX Limited 2.0L Turbo
        • 2015–2020 Subaru WRX STI Base 2.5L Turbo
        • 2015 Subaru WRX STI Launch Edition 2.5L Turbo
        • 2015–2020 Subaru WRX STI Limited 2.5L Turbo
        • 2016 Subaru WRX STI Series.HyperBlue 2.5L Turbo

        Part Number:

        HS15STIGM4ST

        If you’re ready to bring out the best sound and style from your WRX or STI, the Invidia Gemini R400 Cat-Back Exhaust with titanium tips is the go-to choice for premium looks and proven performance.

          • SKU
            INV-HS15STIGM4ST
          • Weight
            62.4 lbs
          • Dimensions (L x W x H)
            59.2 x 18.2 x 13.9 in
          • Manufacturer Part #
            HS15STIGM4ST
        • Manufacturer
          Invidia
        • Brand
          Invidia
        • MPN
          HS15STIGM4ST
        • Part Number_333224
          HS15STIGM4ST
        • UPC
          HS15STIGM4ST
        • Part Number
          HS15STIGM4ST
        • Brand Name
          Invidia
        • Vendor
          Invidia
        Customer reviews
        Please sign in to add review
        There are no comments yet. Be the first to leave a comment

        Shipping

        We utilize UPS, Fedex, and USPS for all of our shipping needs. Carrier choice is based upon availability and needs of the customer and is the sole discretion of SouthernCarParts. We always try to ship within 24 hours of order placement (do to the custom nature of some products, shipping within 24 hours is impossible, actual shipping time frames will be listed in the product description). Please keep in mind that some products such as Custom Fit Car Covers, Lloyds Floor Mats, Painted accessories, and Racemesh Products can take 3 -10 days to ship and are charged at time of order placement. Racemesh products take 4 weeks to ship as they are made to order.

        Returns


        Should you need to return a part for refund, exchange, or credit, please contact our returns department within 30 days of purchase at orders@southerncarparts.com for a Return Merchandise Authorization (RMA) number. Most problems, such as installation, can be solved with a telephone call (888-631-1433). Southern Car Parts will not accept returned goods without prior authorization and an RMA# written clearly on the exterior of the box. The customer is responsible for freight on all return orders. Parts authorized to be returned, on a non-exchange basis, are subject to a 20% restocking fee. Returns will only be accepted within 30 days of the original date of shipment.  Custom painted parts - Once these parts are started, we can refund you less the paint(chemicals) that have been used. Exception is rear spoilers and front splitters, we can refund less 20%.

        Custom-made-to-order items are NOT returnable. This includes embroidered floor mats, interior embroidered items, and car covers.
        Damages in Shipping

        All damages from shipping must be reported to Southern Car Parts within two business days from tracking number delivery confirmation. After two business days, damages become the responsibility of the customer.