{"product_id":"subaru-wrx-sti-varex-valved-cat-back","title":"XForce Varex Valved Cat Back Exhaust 2002-2007 WRX \/ STI","description":"\u003ch3\u003eXForce Varex Valved Cat Back Exhaust 2002-2007 WRX \/ STI | Adjustable Sound Control | Performance Exhaust System\u003c\/h3\u003e\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe XForce Varex Valved Cat Back Exhaust System is a premium upgrade designed specifically for the 2002-2007 Subaru WRX and WRX STI models. This exhaust system enhances engine performance by improving exhaust flow through mandrel-bent tubing and a high-quality 409 stainless steel construction. The standout feature is the Varex rear muffler, which allows drivers to switch between a quiet and aggressive exhaust note with the push of a button, offering unparalleled versatility for daily driving or spirited track sessions.\u003c\/p\u003e\n\u003cp\u003eEngineered with precision fitment and expert craftsmanship, the XForce system balances performance gains with refined sound control. The use of mandrel bending ensures smooth exhaust gas flow, reducing backpressure and optimizing power delivery. The Varex muffler’s adjustable valve technology sets this exhaust apart, giving Subaru enthusiasts the ability to tailor their vehicle’s sound to their environment without sacrificing quality or durability.\u003c\/p\u003e\n\u003cp\u003eFor Subaru WRX and STI owners, this cat back exhaust system delivers a significant upgrade in both auditory and performance aspects. The ability to modulate exhaust tone means you can enjoy a stealthy, comfortable ride during daily commutes and unleash a more aggressive exhaust note when pushing your car on the track or open roads. This system is a practical and stylish enhancement that complements the Subaru driving experience.\u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis XForce Varex Valved Cat Back Exhaust is engineered for 2002-2007 Subaru WRX and STI models and features a Varex oval rear muffler with adjustable sound control. Constructed from raw 409 stainless steel with mandrel-bent tubing, it delivers improved exhaust flow and versatile sound options for Subaru enthusiasts seeking both performance and daily drivability.\u003c\/p\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e XForce\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Varex Valved Cat Back Exhaust 2002-2007 WRX \/ STI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e E4-SW05-VMK5-CBS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 2002-2007 Subaru WRX \/ STI (Manual Transmission Only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Raw Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Mandrel Bent Tubing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Not Specified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tips:\u003c\/strong\u003e Twin 80mm Oval Tips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Type:\u003c\/strong\u003e Varex Valved Rear Muffler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResonator:\u003c\/strong\u003e Centre Hot Dog Resonator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e Some models require E4-SW05-C1 connecting pipe for bolt-on fitment with standalone cat converter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Mandrel-bent tubing reduces backpressure for improved horsepower and torque delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Control:\u003c\/strong\u003e Varex valve allows seamless switching between quiet and aggressive exhaust tones to suit driving conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Precision-engineered for a direct bolt-on installation on 2002-2007 WRX and STI manual models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Constructed from corrosion-resistant 409 stainless steel for long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAesthetics:\u003c\/strong\u003e Twin 80mm oval tips provide a clean, aggressive rear appearance that complements Subaru styling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Ideal for daily driving and track use without compromising comfort or sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1× XForce Varex Valved Cat Back Exhaust System\u003c\/li\u003e\n\u003cli\u003eCentre Hot Dog Resonator\u003c\/li\u003e\n\u003cli\u003eVarex Oval Rear Muffler with Remote Control\u003c\/li\u003e\n\u003cli\u003eTwin 80mm Exhaust Tips\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp\u003eInstallation of the XForce Varex Valved Cat Back Exhaust is straightforward for those with moderate mechanical experience and basic hand tools, thanks to its direct bolt-on design for 2002-2007 Subaru WRX and STI manual transmission models. Some vehicles equipped with a standalone catalytic converter may require the additional E4-SW05-C1 connecting pipe for proper fitment. No major modifications are necessary, but professional installation is recommended for optimal results and to ensure proper valve operation. Tuning is not required for this exhaust system, but it is advisable to verify local emissions regulations before installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Recommended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModifications Required:\u003c\/strong\u003e None for most applications; connecting pipe may be needed for some models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific year, model, and transmission type\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShop with confidence at Subimods—your Subaru parts specialists.\u003c\/p\u003e","brand":"XForce","offers":[{"title":"Default Title","offer_id":46928718332079,"sku":"E4-SW05-VMK5-CBS","price":675.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/xforce-varex-valved-cat-back-exhaust-2002-2007-wrx-sti-e4-sw05-vmk5-cbs-3123619.png?v=1779328690","url":"https:\/\/subimods.com\/products\/subaru-wrx-sti-varex-valved-cat-back","provider":"Subimods.com","version":"1.0","type":"link"}