{"product_id":"s3-suspension-coilovers-acura-tsx-coilovers-cl9-2004-2008","title":"S3 Suspension Coilovers - Acura TSX (CL9) (2004-2008)","description":"\u003ch2\u003eS3 Suspension Coilovers - Acura TSX (CL9) (2004-2008)\u003c\/h2\u003e\n\u003cp\u003eTransform the handling, response, and stance of your 2004–2008 Acura TSX CL9 with an S3 Suspension one-way adjustable coilover system. Designed as a complete bolt-in suspension solution, this system combines premium Swift Springs with application-specific damper valving for predictable performance on the street or track.\u003c\/p\u003e\n\u003cp\u003eEach S3 Suspension coilover system is assembled by hand with an emphasis on precision, consistency, and long-term durability. Spring rates and damper valving are developed through extensive shock-dyno analysis and then validated through real-world street driving and track testing.\u003c\/p\u003e\n\u003cp\u003eWhether you are building a comfortable performance-oriented daily driver, a dual-purpose street and track car, or a dedicated track vehicle, multiple configurations are available to match your intended use.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e32 levels of rebound damping adjustment\u003c\/li\u003e\n\u003cli\u003eOne-way adjustable coilover design\u003c\/li\u003e\n\u003cli\u003eGas-pressurized monotube dampers\u003c\/li\u003e\n\u003cli\u003ePremium Swift Springs selected for the application\u003c\/li\u003e\n\u003cli\u003eApplication-specific spring rates and damper valving\u003c\/li\u003e\n\u003cli\u003ePrecision-machined shock bodies\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant shock-body threads\u003c\/li\u003e\n\u003cli\u003eIndependent ride-height and spring-preload adjustment\u003c\/li\u003e\n\u003cli\u003ePillowball top mounts for improved steering response\u003c\/li\u003e\n\u003cli\u003eCamber-adjustable top hats where supported by the application\u003c\/li\u003e\n\u003cli\u003eSpherical-bearing lower mounts where applicable\u003c\/li\u003e\n\u003cli\u003eZinc-plated hardware where applicable\u003c\/li\u003e\n\u003cli\u003eProtective bump stops and shock dust boots\u003c\/li\u003e\n\u003cli\u003eComplete bolt-in installation hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Configurations\u003c\/h3\u003e\n\u003ch4\u003eStreet — 10\/7KG\u003c\/h4\u003e\n\u003cp\u003eThe Street configuration uses balanced spring rates and application-specific valving to improve handling while maintaining comfort for daily driving. This setup is ideal for owners who want sharper vehicle response, adjustable ride height, and better chassis control without creating an excessively aggressive street ride.\u003c\/p\u003e\n\u003ch4\u003eStreet\/Track — 12\/8KG\u003c\/h4\u003e\n\u003cp\u003eThe Street\/Track configuration offers a more aggressive balance of spring rates and damping. It is designed for spirited street driving and occasional track use while remaining suitable for a performance-oriented street vehicle.\u003c\/p\u003e\n\u003ch4\u003eTrack — 14\/10KG\u003c\/h4\u003e\n\u003cp\u003eThe Track configuration features increased spring rates and more aggressive damping to maximize grip, chassis response, and suspension control during track use. Due to its performance-focused setup, this configuration is not recommended for regular daily street driving.\u003c\/p\u003e\n\u003ch4\u003eCustom Specifications\u003c\/h4\u003e\n\u003cp\u003eCustom spring rates and damper valving are available for vehicles with specialized requirements. This option may be appropriate for dedicated competition cars, weight-reduced builds, specialized tire packages, unique vehicle setups, or other applications requiring a tailored suspension system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease contact us before ordering a custom-specification system.\u003c\/strong\u003e Vehicle details, modifications, intended use, tire selection, and performance goals may be required to determine the appropriate setup.\u003c\/p\u003e\n\u003ch3\u003eMonotube Damper Design\u003c\/h3\u003e\n\u003cp\u003eThe gas-pressurized monotube dampers separate the oil and gas chambers to help reduce aeration, heat buildup, and shock fade. This design provides responsive damping and more consistent suspension behavior during demanding street or track driving.\u003c\/p\u003e\n\u003ch3\u003eIndependent Height and Preload Adjustment\u003c\/h3\u003e\n\u003cp\u003eIndependent adjustment collars allow ride height and spring preload to be set separately. This makes it possible to adjust the vehicle’s stance without relying solely on spring compression to change ride height.\u003c\/p\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2004 Acura TSX\u003c\/li\u003e\n\u003cli\u003e2005 Acura TSX\u003c\/li\u003e\n\u003cli\u003e2006 Acura TSX\u003c\/li\u003e\n\u003cli\u003e2007 Acura TSX\u003c\/li\u003e\n\u003cli\u003e2008 Acura TSX\u003c\/li\u003e\n\u003cli\u003eChassis code: CL9\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notice:\u003c\/strong\u003e Verify your vehicle’s year, model, chassis, and intended use before ordering. Camber adjustment, mounting hardware, and certain components may vary by application.\u003c\/p\u003e\n\u003ch3\u003eWhat Is Included?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eS3 Suspension coilover assemblies\u003c\/li\u003e\n\u003cli\u003eApplication-selected Swift Springs\u003c\/li\u003e\n\u003cli\u003eTop mounts and applicable mounting components\u003c\/li\u003e\n\u003cli\u003eBump stops and shock dust boots\u003c\/li\u003e\n\u003cli\u003eRequired bolt-in installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eManufacturer Warranty\u003c\/h3\u003e\n\u003cp\u003eS3 Suspension coilover systems include a limited two-year manufacturer warranty. Warranty eligibility, coverage, exclusions, and approval are subject to S3 Suspension’s current warranty terms and conditions.\u003c\/p\u003e\n\u003ch3\u003eNeed Help Choosing a Configuration?\u003c\/h3\u003e\n\u003cp\u003eThe correct configuration depends on how your Acura TSX will be used. Contact us before ordering if you need help choosing between the Street, Street\/Track, Track, or Custom Specification options.\u003c\/p\u003e","brand":"S3 Suspension","offers":[{"title":"Street 10 \/ 7kg","offer_id":53692841132339,"sku":null,"price":1649.99,"currency_code":"USD","in_stock":true},{"title":"Street \/ Track 12 \/ 8kg","offer_id":53692841165107,"sku":null,"price":1649.99,"currency_code":"USD","in_stock":true},{"title":"Track 14 \/ 16kg","offer_id":53692841197875,"sku":null,"price":1649.99,"currency_code":"USD","in_stock":true},{"title":"Custom Specifications - TBD","offer_id":53692841230643,"sku":null,"price":1649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0256\/5855\/6497\/files\/TSX.COILOVERS-1.webp?v=1784678855","url":"https:\/\/www.circuitspecr.com\/products\/s3-suspension-coilovers-acura-tsx-coilovers-cl9-2004-2008","provider":"Circuit Spec R","version":"1.0","type":"link"}