{"product_id":"jdmuscle-22-25-wrx-ydybb-unequal-length-header-mt-cvt","title":"JDMuscle [22-25 WRX] YDYBB Unequal Length Header - MT\u0026CVT","description":"\u003ch3\u003eYDYBB Unequal Length Header for 2022–2025 Subaru WRX\u003c\/h3\u003e\n\u003cp\u003eThe JDMuscle YDYBB Unequal Length Header is the performance upgrade for WRX owners who want it all — more power up top, increased torque with tuning, and that iconic rich, deep rumble sound. Built from SS304 stainless steel and available in Single Scroll or Twin Scroll configurations, this header is compatible with both MT and CVT transmissions and can be installed with the stock exhaust.\u003c\/p\u003e\n\n\u003ch3\u003eQuick Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSS304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003eAvailable in Single Scroll and Twin Scroll\u003c\/li\u003e\n\u003cli\u003eInstant HP gain and increased torque with custom tuning\u003c\/li\u003e\n\u003cli\u003eIconic rich and deep rumble sound\u003c\/li\u003e\n\u003cli\u003eCan be installed without a tune\u003c\/li\u003e\n\u003cli\u003eCompatible with stock exhaust\u003c\/li\u003e\n\u003cli\u003eGaskets included\u003c\/li\u003e\n\u003cli\u003eNote: Undertray vent removal required for clearance\u003c\/li\u003e\n\u003cli\u003eSingle scroll performs better at higher HP; twin scroll torque comes in slightly sooner\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDyno Results — Dmann Tuning\u003c\/h3\u003e\n\u003cp\u003eTesting performed on a fully built 2022 WRX on E50 with ETS Intake, GESi J-Pipe, ETS FMIC, and Cobb catback.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaseline (stock manifold):\u003c\/strong\u003e 407whp \/ 436wtq\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter JDMuscle UEL header (no tune changes):\u003c\/strong\u003e 417whp \/ 413wtq\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter simple tuning adjustments:\u003c\/strong\u003e 418whp \/ 468wtq\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\"If you're a UEL fan and you're going to do it regardless; well, at least this one makes a touch more power. Furthermore, with some additional clever tuning, the TQ loss can almost be completely mitigated to the point of 'almost' being negligible.\"\u003c\/em\u003e — DMann Tuning\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDisclaimer: The negative effects of going UEL are still unknown since the last gen. \/ DMann Tuning\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x JDMuscle YDYBB Unequal Length Header\u003c\/li\u003e\n\u003cli\u003eGaskets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2022–2025 Subaru WRX (MT \u0026amp; CVT)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJDMuscle Lifetime Warranty \u0026amp; Product Support\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JDMuscle","offers":[{"title":"Single Scroll","offer_id":52569339363628,"sku":"JDM-WRX22-EX-HD-1","price":599.0,"currency_code":"USD","in_stock":true},{"title":"Twin Scroll","offer_id":52569339396396,"sku":"JDM-WRX22-EX-HD-2","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0059\/9425\/0329\/files\/JDMuscle_22-25WRX_YDYBBUnequalLengthHeader-MT_CVT_1.png?v=1768961999","url":"https:\/\/www.evergreenkings.com\/products\/jdmuscle-22-25-wrx-ydybb-unequal-length-header-mt-cvt","provider":"Evergreen Kings","version":"1.0","type":"link"}