{"title":"GrimmSpeed Catback Exhausts","description":"GrimmSpeed Catback Exhausts - High-quality, hand-TIG-welded 304 stainless steel systems designed for Subaru WRX\/STI (2008-2021+) and BRZ\/GR86, focusing on a refined \"gentleman’s\" sound, improved flow, and perfect fitment. Available in resonated or un-resonated options, they feature thick flanges, custom polyurethane hangers, and a flex section to reduce cabin drone and ensure durability.","products":[{"product_id":"grimmspeed-gentleman-s-exhaust-v2-catback-system-non-resonated","title":"GrimmSpeed “Gentleman’s Exhaust” V2 Catback System – Non-Resonated","description":"\u003ch2 data-section-id=\"1t79w60\" data-start=\"154\" data-end=\"182\"\u003eA Return to Form, Refined\u003c\/h2\u003e\n\u003cp data-start=\"184\" data-end=\"534\"\u003eThe GrimmSpeed Gentleman’s Exhaust is back, now redesigned to improve installation, dial in fitment, and maintain the refined tone that made the original system a go-to. Version 2 stays true to the “gentleman’s exhaust” philosophy, delivering a clean, controlled sound without the harshness or fatigue that comes with louder, less engineered systems.\u003c\/p\u003e\n\u003cp data-start=\"536\" data-end=\"1026\"\u003eThis updated design introduces dual-overlapping slip fit connections and a revised dual-hanger mid-pipe, giving you significantly more adjustability during install. That means better alignment, tighter sealing, and the ability to fine-tune tip positioning exactly how you want it. Internally, the mufflers have been reworked with larger perforated cores and an updated Y-splitter to improve flow, while a carefully selected packing configuration ensures the tone stays consistent over time.\u003c\/p\u003e\n\u003cp data-start=\"1028\" data-end=\"1235\"\u003eThe non-resonated version is for those who want a more pronounced exhaust note, especially on otherwise stock turboback setups. It adds presence without losing the refined character that defines this system.\u003c\/p\u003e\n\u003ch2 data-section-id=\"xk8niu\" data-start=\"1242\" data-end=\"1256\"\u003eQuick Specs\u003c\/h2\u003e\n\u003cul data-start=\"1258\" data-end=\"2079\"\u003e\n\u003cli data-section-id=\"wa1s75\" data-start=\"1258\" data-end=\"1321\"\u003e\n\u003cp data-start=\"1260\" data-end=\"1321\"\u003e304 stainless steel construction for all exhaust components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vjyqn4\" data-start=\"1322\" data-end=\"1376\"\u003e\n\u003cp data-start=\"1324\" data-end=\"1376\"\u003e409 stainless steel double-overlap slip fit clamps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qc8khb\" data-start=\"1377\" data-end=\"1433\"\u003e\n\u003cp data-start=\"1379\" data-end=\"1433\"\u003eTIG welded construction for strength and consistency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eui5ny\" data-start=\"1434\" data-end=\"1510\"\u003e\n\u003cp data-start=\"1436\" data-end=\"1510\"\u003eCustom mufflers with twin-tube perforated core design for increased flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1dxi3wu\" data-start=\"1511\" data-end=\"1600\"\u003e\n\u003cp data-start=\"1513\" data-end=\"1600\"\u003eUpdated internal Y-splitter and long-life packing material to maintain tone over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1iy6c8o\" data-start=\"1601\" data-end=\"1631\"\u003e\n\u003cp data-start=\"1603\" data-end=\"1631\"\u003eQuad 3.5-inch exhaust tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"v7k4da\" data-start=\"1632\" data-end=\"1698\"\u003e\n\u003cp data-start=\"1634\" data-end=\"1698\"\u003eNon-resonated configuration for a more aggressive exhaust note\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vdq46j\" data-start=\"1699\" data-end=\"1795\"\u003e\n\u003cp data-start=\"1701\" data-end=\"1795\"\u003eDual-overlapping stainless steel slip fit connections for improved sealing and adjustability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g9wwr6\" data-start=\"1796\" data-end=\"1864\"\u003e\n\u003cp data-start=\"1798\" data-end=\"1864\"\u003eDual-hanger mid-pipe design for chassis-specific fitment dialing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f0smxc\" data-start=\"1865\" data-end=\"1945\"\u003e\n\u003cp data-start=\"1867\" data-end=\"1945\"\u003eStainless steel braided flex section for compatibility across exhaust setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"q82yx5\" data-start=\"1946\" data-end=\"2028\"\u003e\n\u003cp data-start=\"1948\" data-end=\"2028\"\u003eIncludes polyurethane exhaust hangers for added stability and reduced movement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sf7gmc\" data-start=\"2029\" data-end=\"2079\"\u003e\n\u003cp data-start=\"2031\" data-end=\"2079\"\u003eIncludes 304 stainless steel 2-bolt MLS gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"2482\" data-end=\"2492\"\u003eFitment\u003c\/h2\u003e\n\u003cul data-start=\"2494\" data-end=\"2569\"\u003e\n\u003cli data-section-id=\"1g1v4zp\" data-start=\"2494\" data-end=\"2531\"\u003e\n\u003cp data-start=\"2496\" data-end=\"2531\"\u003e2015–2021 Subaru WRX (VA Chassis)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sv9zue\" data-start=\"2532\" data-end=\"2569\"\u003e\n\u003cp data-start=\"2534\" data-end=\"2569\"\u003e2015–2021 Subaru STI (VA Chassis)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"9ryk6m\" data-start=\"2086\" data-end=\"2106\"\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul data-start=\"2108\" data-end=\"2475\"\u003e\n\u003cli data-section-id=\"18uzb9l\" data-start=\"2108\" data-end=\"2134\"\u003e\n\u003cp data-start=\"2110\" data-end=\"2134\"\u003e2x GrimmSpeed Mufflers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ollfb6\" data-start=\"2135\" data-end=\"2159\"\u003e\n\u003cp data-start=\"2137\" data-end=\"2159\"\u003e1x GrimmSpeed Y-Pipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"k069wo\" data-start=\"2160\" data-end=\"2200\"\u003e\n\u003cp data-start=\"2162\" data-end=\"2200\"\u003e1x GrimmSpeed Non-Resonated Mid-Pipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yjleia\" data-start=\"2201\" data-end=\"2273\"\u003e\n\u003cp data-start=\"2203\" data-end=\"2273\"\u003e2x 2.5” Stainless Steel Double Overlap Slip Fit Clamps with Hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15s2hvc\" data-start=\"2274\" data-end=\"2343\"\u003e\n\u003cp data-start=\"2276\" data-end=\"2343\"\u003e1x 3” Stainless Steel Double Overlap Slip Fit Clamp with Hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10e9wct\" data-start=\"2344\" data-end=\"2379\"\u003e\n\u003cp data-start=\"2346\" data-end=\"2379\"\u003e1x GrimmSpeed 2-Bolt MLS Gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15bukdk\" data-start=\"2380\" data-end=\"2396\"\u003e\n\u003cp data-start=\"2382\" data-end=\"2396\"\u003e2x M10 Bolts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g8wn02\" data-start=\"2397\" data-end=\"2412\"\u003e\n\u003cp data-start=\"2399\" data-end=\"2412\"\u003e2x M10 Nuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"28jr8g\" data-start=\"2413\" data-end=\"2451\"\u003e\n\u003cp data-start=\"2415\" data-end=\"2451\"\u003e2x GrimmSpeed License Plate Frames\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lp4khh\" data-start=\"2452\" data-end=\"2475\"\u003e\n\u003cp data-start=\"2454\" data-end=\"2475\"\u003e1x GrimmSpeed Decal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eINSTALL GUIDE\u003c\/h3\u003e","brand":"GrimmSpeed","offers":[{"title":"Default Title","offer_id":51028489634098,"sku":"GRM.1025.1.0","price":1299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/3165\/2402\/files\/GRM.1025.X.0_-_VA_Gentlemans_Exhaust-12.jpg?v=1775076073"},{"product_id":"grimmspeed-gentleman-s-exhaust-v2-catback-system-resonated","title":"GrimmSpeed “Gentleman’s Exhaust” V2 Catback System – Resonated","description":"\u003ch2 data-section-id=\"1t79w60\" data-start=\"3103\" data-end=\"3131\"\u003eA Return to Form, Refined\u003c\/h2\u003e\n\u003cp data-start=\"3133\" data-end=\"3452\"\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\n\u003cp data-start=\"3454\" data-end=\"3849\"\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\n\u003cp data-start=\"3851\" data-end=\"4102\"\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\n\u003ch2 data-section-id=\"xk8niu\" data-start=\"4109\" data-end=\"4123\"\u003eQuick Specs\u003c\/h2\u003e\n\u003cul data-start=\"4125\" data-end=\"4945\"\u003e\n\u003cli data-section-id=\"wa1s75\" data-start=\"4125\" data-end=\"4188\"\u003e\n\u003cp data-start=\"4127\" data-end=\"4188\"\u003e304 stainless steel construction for all exhaust components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vjyqn4\" data-start=\"4189\" data-end=\"4243\"\u003e\n\u003cp data-start=\"4191\" data-end=\"4243\"\u003e409 stainless steel double-overlap slip fit clamps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qc8khb\" data-start=\"4244\" data-end=\"4300\"\u003e\n\u003cp data-start=\"4246\" data-end=\"4300\"\u003eTIG welded construction for strength and consistency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eui5ny\" data-start=\"4301\" data-end=\"4377\"\u003e\n\u003cp data-start=\"4303\" data-end=\"4377\"\u003eCustom mufflers with twin-tube perforated core design for increased flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1dxi3wu\" data-start=\"4378\" data-end=\"4467\"\u003e\n\u003cp data-start=\"4380\" data-end=\"4467\"\u003eUpdated internal Y-splitter and long-life packing material to maintain tone over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1iy6c8o\" data-start=\"4468\" data-end=\"4498\"\u003e\n\u003cp data-start=\"4470\" data-end=\"4498\"\u003eQuad 3.5-inch exhaust tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yjcywj\" data-start=\"4499\" data-end=\"4564\"\u003e\n\u003cp data-start=\"4501\" data-end=\"4564\"\u003eResonated mid-pipe for smoother, more controlled exhaust tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vdq46j\" data-start=\"4565\" data-end=\"4661\"\u003e\n\u003cp data-start=\"4567\" data-end=\"4661\"\u003eDual-overlapping stainless steel slip fit connections for improved sealing and adjustability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g9wwr6\" data-start=\"4662\" data-end=\"4730\"\u003e\n\u003cp data-start=\"4664\" data-end=\"4730\"\u003eDual-hanger mid-pipe design for chassis-specific fitment dialing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f0smxc\" data-start=\"4731\" data-end=\"4811\"\u003e\n\u003cp data-start=\"4733\" data-end=\"4811\"\u003eStainless steel braided flex section for compatibility across exhaust setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"q82yx5\" data-start=\"4812\" data-end=\"4894\"\u003e\n\u003cp data-start=\"4814\" data-end=\"4894\"\u003eIncludes polyurethane exhaust hangers for added stability and reduced movement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sf7gmc\" data-start=\"4895\" data-end=\"4945\"\u003e\n\u003cp data-start=\"4897\" data-end=\"4945\"\u003eIncludes 304 stainless steel 2-bolt MLS gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"5344\" data-end=\"5354\"\u003eFitment\u003c\/h2\u003e\n\u003cul data-start=\"5356\" data-end=\"5431\"\u003e\n\u003cli data-section-id=\"1g1v4zp\" data-start=\"5356\" data-end=\"5393\"\u003e\n\u003cp data-start=\"5358\" data-end=\"5393\"\u003e2015–2021 Subaru WRX (VA Chassis)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sv9zue\" data-start=\"5394\" data-end=\"5431\"\u003e\n\u003cp data-start=\"5396\" data-end=\"5431\"\u003e2015–2021 Subaru STI (VA Chassis)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"9ryk6m\" data-start=\"4952\" data-end=\"4972\"\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul data-start=\"4974\" data-end=\"5337\"\u003e\n\u003cli data-section-id=\"18uzb9l\" data-start=\"4974\" data-end=\"5000\"\u003e\n\u003cp data-start=\"4976\" data-end=\"5000\"\u003e2x GrimmSpeed Mufflers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ollfb6\" data-start=\"5001\" data-end=\"5025\"\u003e\n\u003cp data-start=\"5003\" data-end=\"5025\"\u003e1x GrimmSpeed Y-Pipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bwridm\" data-start=\"5026\" data-end=\"5062\"\u003e\n\u003cp data-start=\"5028\" data-end=\"5062\"\u003e1x GrimmSpeed Resonated Mid-Pipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yjleia\" data-start=\"5063\" data-end=\"5135\"\u003e\n\u003cp data-start=\"5065\" data-end=\"5135\"\u003e2x 2.5” Stainless Steel Double Overlap Slip Fit Clamps with Hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15s2hvc\" data-start=\"5136\" data-end=\"5205\"\u003e\n\u003cp data-start=\"5138\" data-end=\"5205\"\u003e1x 3” Stainless Steel Double Overlap Slip Fit Clamp with Hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10e9wct\" data-start=\"5206\" data-end=\"5241\"\u003e\n\u003cp data-start=\"5208\" data-end=\"5241\"\u003e1x GrimmSpeed 2-Bolt MLS Gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15bukdk\" data-start=\"5242\" data-end=\"5258\"\u003e\n\u003cp data-start=\"5244\" data-end=\"5258\"\u003e2x M10 Bolts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g8wn02\" data-start=\"5259\" data-end=\"5274\"\u003e\n\u003cp data-start=\"5261\" data-end=\"5274\"\u003e2x M10 Nuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"28jr8g\" data-start=\"5275\" data-end=\"5313\"\u003e\n\u003cp data-start=\"5277\" data-end=\"5313\"\u003e2x GrimmSpeed License Plate Frames\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lp4khh\" data-start=\"5314\" data-end=\"5337\"\u003e\n\u003cp data-start=\"5316\" data-end=\"5337\"\u003e1x GrimmSpeed Decal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eINSTALL GUIDE\u003c\/h3\u003e","brand":"GrimmSpeed","offers":[{"title":"Default Title","offer_id":51028499530034,"sku":"GRM.1025.2.0","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/3165\/2402\/files\/GRM.1025.X.0_-_VA_Gentlemans_Exhaust-11.jpg?v=1775078974"}],"url":"https:\/\/www.grimmspeed.com\/collections\/grimmspeed-catback-exhausts.oembed","provider":"GrimmSpeed","version":"1.0","type":"link"}