{"product_id":"grimmspeed-subaru-2015-21-va-wrx-sti-gentleman-s-exhaust-v2-catback-system-resonated","title":"GrimmSpeed Subaru 2015-21 VA WRX\/STI “Gentleman’s Exhaust” V2 Catback System – Resonated","description":"\u003ch2 data-end=\"3131\" data-section-id=\"1t79w60\" data-start=\"3103\"\u003eA Return to Form, Refined\u003c\/h2\u003e\u003cp data-end=\"3452\" data-start=\"3133\"\u003eThe GrimmSpeed Gentleman’s Exhaust returns with a redesigned Version 2 layout focused on fitment, longevity, and maintaining a clean, refined exhaust note. Built around the original “gentleman’s exhaust” concept, this system delivers a balanced tone that avoids drone while still providing a strong, confident presence.\u003c\/p\u003e\u003cp data-end=\"3849\" data-start=\"3454\"\u003eKey updates include dual-overlapping slip fit connections and a revised dual-hanger mid-pipe, allowing for greater adjustability during installation and more precise alignment on a per-chassis basis. Internally, the upgraded muffler design features larger perforated cores and an improved Y-splitter to increase flow, paired with a durable packing configuration that resists breakdown over time.\u003c\/p\u003e\u003cp data-end=\"4102\" data-start=\"3851\"\u003eThe resonated version is ideal for drivers planning additional exhaust modifications. It helps maintain a smoother, more controlled sound profile as airflow increases throughout the system, making it the better choice for more heavily modified setups.\u003c\/p\u003e\u003ch2 data-end=\"4123\" data-section-id=\"xk8niu\" data-start=\"4109\"\u003eQuick Specs\u003c\/h2\u003e\u003cul data-end=\"4945\" data-start=\"4125\"\u003e\n\u003cli data-end=\"4188\" data-section-id=\"wa1s75\" data-start=\"4125\"\u003e\u003cp data-end=\"4188\" data-start=\"4127\"\u003e304 stainless steel construction for all exhaust components\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4243\" data-section-id=\"vjyqn4\" data-start=\"4189\"\u003e\u003cp data-end=\"4243\" data-start=\"4191\"\u003e409 stainless steel double-overlap slip fit clamps\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4300\" data-section-id=\"qc8khb\" data-start=\"4244\"\u003e\u003cp data-end=\"4300\" data-start=\"4246\"\u003eTIG welded construction for strength and consistency\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4377\" data-section-id=\"1eui5ny\" data-start=\"4301\"\u003e\u003cp data-end=\"4377\" data-start=\"4303\"\u003eCustom mufflers with twin-tube perforated core design for increased flow\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4467\" data-section-id=\"1dxi3wu\" data-start=\"4378\"\u003e\u003cp data-end=\"4467\" data-start=\"4380\"\u003eUpdated internal Y-splitter and long-life packing material to maintain tone over time\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4498\" data-section-id=\"1iy6c8o\" data-start=\"4468\"\u003e\u003cp data-end=\"4498\" data-start=\"4470\"\u003eQuad 3.5-inch exhaust tips\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4564\" data-section-id=\"yjcywj\" data-start=\"4499\"\u003e\u003cp data-end=\"4564\" data-start=\"4501\"\u003eResonated mid-pipe for smoother, more controlled exhaust tone\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4661\" data-section-id=\"vdq46j\" data-start=\"4565\"\u003e\u003cp data-end=\"4661\" data-start=\"4567\"\u003eDual-overlapping stainless steel slip fit connections for improved sealing and adjustability\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4730\" data-section-id=\"1g9wwr6\" data-start=\"4662\"\u003e\u003cp data-end=\"4730\" data-start=\"4664\"\u003eDual-hanger mid-pipe design for chassis-specific fitment dialing\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4811\" data-section-id=\"1f0smxc\" data-start=\"4731\"\u003e\u003cp data-end=\"4811\" data-start=\"4733\"\u003eStainless steel braided flex section for compatibility across exhaust setups\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4894\" data-section-id=\"q82yx5\" data-start=\"4812\"\u003e\u003cp data-end=\"4894\" data-start=\"4814\"\u003eIncludes polyurethane exhaust hangers for added stability and reduced movement\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"4945\" data-section-id=\"1sf7gmc\" data-start=\"4895\"\u003e\u003cp data-end=\"4945\" data-start=\"4897\"\u003eIncludes 304 stainless steel 2-bolt MLS gasket\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 data-end=\"5354\" data-section-id=\"1dixaz0\" data-start=\"5344\"\u003eFitment\u003c\/h2\u003e\u003cul data-end=\"5431\" data-start=\"5356\"\u003e\n\u003cli data-end=\"5393\" data-section-id=\"1g1v4zp\" data-start=\"5356\"\u003e\u003cp data-end=\"5393\" data-start=\"5358\"\u003e2015–2021 Subaru WRX (VA Chassis)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5431\" data-section-id=\"sv9zue\" data-start=\"5394\"\u003e\u003cp data-end=\"5431\" data-start=\"5396\"\u003e2015–2021 Subaru STI (VA Chassis)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 data-end=\"4972\" data-section-id=\"9ryk6m\" data-start=\"4952\"\u003eWhat’s in the Box\u003c\/h2\u003e\u003cul data-end=\"5337\" data-start=\"4974\"\u003e\n\u003cli data-end=\"5000\" data-section-id=\"18uzb9l\" data-start=\"4974\"\u003e\u003cp data-end=\"5000\" data-start=\"4976\"\u003e2x GrimmSpeed Mufflers\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5025\" data-section-id=\"1ollfb6\" data-start=\"5001\"\u003e\u003cp data-end=\"5025\" data-start=\"5003\"\u003e1x GrimmSpeed Y-Pipe\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5062\" data-section-id=\"1bwridm\" data-start=\"5026\"\u003e\u003cp data-end=\"5062\" data-start=\"5028\"\u003e1x GrimmSpeed Resonated Mid-Pipe\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5135\" data-section-id=\"1yjleia\" data-start=\"5063\"\u003e\u003cp data-end=\"5135\" data-start=\"5065\"\u003e2x 2.5” Stainless Steel Double Overlap Slip Fit Clamps with Hardware\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5205\" data-section-id=\"15s2hvc\" data-start=\"5136\"\u003e\u003cp data-end=\"5205\" data-start=\"5138\"\u003e1x 3” Stainless Steel Double Overlap Slip Fit Clamp with Hardware\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5241\" data-section-id=\"10e9wct\" data-start=\"5206\"\u003e\u003cp data-end=\"5241\" data-start=\"5208\"\u003e1x GrimmSpeed 2-Bolt MLS Gasket\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5258\" data-section-id=\"15bukdk\" data-start=\"5242\"\u003e\u003cp data-end=\"5258\" data-start=\"5244\"\u003e2x M10 Bolts\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5274\" data-section-id=\"1g8wn02\" data-start=\"5259\"\u003e\u003cp data-end=\"5274\" data-start=\"5261\"\u003e2x M10 Nuts\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5313\" data-section-id=\"28jr8g\" data-start=\"5275\"\u003e\u003cp data-end=\"5313\" data-start=\"5277\"\u003e2x GrimmSpeed License Plate Frames\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-end=\"5337\" data-section-id=\"lp4khh\" data-start=\"5314\"\u003e\u003cp data-end=\"5337\" data-start=\"5316\"\u003e1x GrimmSpeed Decal\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GrimmSpeed","offers":[{"title":"Default Title","offer_id":44292497604707,"sku":"GRM.1025.2.0","price":5355.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0253\/8848\/2659\/files\/GRM1025xo_ad19a097-251a-4e20-ab17-219b4b8c6064.jpg?v=1782446943","url":"https:\/\/www.speedscience.co.nz\/products\/grimmspeed-subaru-2015-21-va-wrx-sti-gentleman-s-exhaust-v2-catback-system-resonated","provider":"Speed Science","version":"1.0","type":"link"}