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Spec: Muffler Style: silent Hi-Power Style: HP(Curl) Material: S3 SUS304 High quality stainless Tip O.D.: 65 Pipe Size: 50 Consist of: 1 Close Sound Level Stock/HKS: 89/89 Idling Sound Level Stock/HKS: 56/59 Remarks: Only main shell. Not for vehicles w/ Modulo or Mugen's rear under spoiler. Check HKS page for details For ZF2 MY 10/2012 - Features: High quality sound. Sport exhaust system with reduced noise level. Silent Hi-Power mufflers offer high performance and sporty appearance with the added benefit of reduced noise levels making it the best choice for more mature enthusiasts. Silent Hi-Power mufflers are constructed entirely of SUS304 grade stainless steel for high lustre, long lasting performance. For certain applications, HKS has introduced the "Silent Chamber" which removes a lot of the lower frequency noise that can often be heard into the cabin even when cruising. The silent chamber removes this uncomfortable noise but due to its closed end design, only a minimal amount of exhaust gas flows into it, meaning that the disruption to exhaust gas flow through the entire system is minimized and there is no harm to performance.

Spec: Muffler Style: silent Hi-Power Style: HP(Curl) Material: S3 SUS304 High quality stainless Tip O.D.: 65 Pipe Size: 45-50 Consist of: 3 Close Sound Level Stock/HKS: 88/86 Idling Sound Level Stock/HKS: 55/54 Remarks: Come with center pipe. Not applicable for Modulo or Mugen rear under spoiler installed vehicle. Noise for metal catalyzer installed: 94dB Check HKS page for details For ZF1 MY 02/2010 - 09/2012 Features: High quality sound. Sport exhaust system with reduced noise level. Silent Hi-Power mufflers offer high performance and sporty appearance with the added benefit of reduced noise levels making it the best choice for more mature enthusiasts. Silent Hi-Power mufflers are constructed entirely of SUS304 grade stainless steel for high lustre, long lasting performance. For certain applications, HKS has introduced the "Silent Chamber" which removes a lot of the lower frequency noise that can often be heard into the cabin even when cruising. The silent chamber removes this uncomfortable noise but due to its closed end design, only a minimal amount of exhaust gas flows into it, meaning that the disruption to exhaust gas flow through the entire system is minimized and there is no harm to performance.

Spec: Muffler Style: silent Hi-Power Style: HP(Curl) Material: S3 SUS304 High quality stainless Tip O.D.: 65 Pipe Size: 50 Consist of: 1 Close Sound Level Stock/HKS: 88/91 Idling Sound Level Stock/HKS: 55/60 Remarks: Only main shell. Not for vehicles w/ Modulo or Mugen's rear under spoiler. Check HKS page for details For ZF1 MY 02/2010 - 09/2012 Features: High quality sound. Sport exhaust system with reduced noise level. Silent Hi-Power mufflers offer high performance and sporty appearance with the added benefit of reduced noise levels making it the best choice for more mature enthusiasts. Silent Hi-Power mufflers are constructed entirely of SUS304 grade stainless steel for high lustre, long lasting performance. For certain applications, HKS has introduced the "Silent Chamber" which removes a lot of the lower frequency noise that can often be heard into the cabin even when cruising. The silent chamber removes this uncomfortable noise but due to its closed end design, only a minimal amount of exhaust gas flows into it, meaning that the disruption to exhaust gas flow through the entire system is minimized and there is no harm to performance.

Spec: Muffler Style: silent Hi-Power Style: HP(TYPE-H Sporty type with perfect circle shape shell.) Material: S3 SUS304 High quality stainless Tip O.D.: 94 Pipe Size: 50 Consist of: 1 Close Sound Level Stock/HKS: 77/85 Idling Sound Level Stock/HKS: 53/57 Remarks: *For "RS". *Main only. Check HKS page for details For GE8 MY 10/2010 - 08/2013 Features: High quality sound. Sport exhaust system with reduced noise level. Silent Hi-Power mufflers offer high performance and sporty appearance with the added benefit of reduced noise levels making it the best choice for more mature enthusiasts. Silent Hi-Power mufflers are constructed entirely of SUS304 grade stainless steel for high lustre, long lasting performance. For certain applications, HKS has introduced the "Silent Chamber" which removes a lot of the lower frequency noise that can often be heard into the cabin even when cruising. The silent chamber removes this uncomfortable noise but due to its closed end design, only a minimal amount of exhaust gas flows into it, meaning that the disruption to exhaust gas flow through the entire system is minimized and there is no harm to performance.

Spec: Muffler Style: silent Hi-Power Style: HP(Curl) Material: S3 SUS304 High quality stainless Tip O.D.: 65 Pipe Size: 45-50 Consist of: 3 Close Sound Level Stock/HKS: 88/87 Idling Sound Level Stock/HKS: 54/55 Remarks: Come with center pipe. Not applicable for Modulo or Mugen rear under spoiler installed vehicle. CVT is not adaptable for certification. Check HKS page for details For ZF2 MY 10/2012 - Features: High quality sound. Sport exhaust system with reduced noise level. Silent Hi-Power mufflers offer high performance and sporty appearance with the added benefit of reduced noise levels making it the best choice for more mature enthusiasts. Silent Hi-Power mufflers are constructed entirely of SUS304 grade stainless steel for high lustre, long lasting performance. For certain applications, HKS has introduced the "Silent Chamber" which removes a lot of the lower frequency noise that can often be heard into the cabin even when cruising. The silent chamber removes this uncomfortable noise but due to its closed end design, only a minimal amount of exhaust gas flows into it, meaning that the disruption to exhaust gas flow through the entire system is minimized and there is no harm to performance.

Spec: Muffler Style: silent Hi-Power Style: HP(TYPE-S Oval shape silencer for noise reduction type) Material: S3 SUS304 High quality stainless Tip O.D.: 120 Pipe Size: 75 Consist of: 2 Close Sound Level Stock/HKS: 84/92 Idling Sound Level Stock/HKS: 66/70 Remarks: *For applied model E, F. *Fits to stock rear under skirt. *Not tested for "STi SPEC-C", "SPEC-C WR-Limited 2004". Check HKS page for details For GDB applied E-F, MY 2005 - 2006 Features: High quality sound. Sport exhaust system with reduced noise level. Silent Hi-Power mufflers offer high performance and sporty appearance with the added benefit of reduced noise levels making it the best choice for more mature enthusiasts. Silent Hi-Power mufflers are constructed entirely of SUS304 grade stainless steel for high lustre, long lasting performance. For certain applications, HKS has introduced the "Silent Chamber" which removes a lot of the lower frequency noise that can often be heard into the cabin even when cruising. The silent chamber removes this uncomfortable noise but due to its closed end design, only a minimal amount of exhaust gas flows into it, meaning that the disruption to exhaust gas flow through the entire system is minimized and there is no harm to performance.

Spec: Muffler Style: silent Hi-Power Style: HP(TYPE-H Sporty type with perfect circle shape shell.) Material: S3 SUS304 High quality stainless Tip O.D.: 94 Pipe Size: 50 Consist of: 1 Close Sound Level Stock/HKS: (DEJFS)80/89 (DE5FS)79/92 (DE3FS)-/93 Idling Sound Level Stock/HKS: (DEJFS)54/60 (DE5FS)53/61 (DE3FS)-/- Remarks: DEJFS Compatible for ones equipped with mud flap. DE5FS For grade "SPORT" "15C" DE3FS Not for grade "13CV" and 4WD. Not for MT. Check HKS page for details For DEJFS MY 06/2011 - 08/2014, DE5FS MY 07/2007 - 08/2014, DE3FS MY 07/2007 - 08/2014 Features: High quality sound. Sport exhaust system with reduced noise level. Silent Hi-Power mufflers offer high performance and sporty appearance with the added benefit of reduced noise levels making it the best choice for more mature enthusiasts. Silent Hi-Power mufflers are constructed entirely of SUS304 grade stainless steel for high lustre, long lasting performance. For certain applications, HKS has introduced the "Silent Chamber" which removes a lot of the lower frequency noise that can often be heard into the cabin even when cruising. The silent chamber removes this uncomfortable noise but due to its closed end design, only a minimal amount of exhaust gas flows into it, meaning that the disruption to exhaust gas flow through the entire system is minimized and there is no harm to performance.

Spec: Muffler Style: silent Hi-Power Style: HP S(Curl) Material: S3 SUS304 High quality stainless Tip O.D.: 94 L&R Pipe Size: 65-50.8 x2 Consist of: 3 Close Sound Level Stock/HKS: L83 R84/L91 R92 Idling Sound Level Stock/HKS: L65 R64/L72 R70 Remarks: For grade "GSR" "RS" and 300ps model. Check HKS page for details For CZ4A(X) MY 10/2007 - 07/2015 Features: High quality sound. Sport exhaust system with reduced noise level. Silent Hi-Power mufflers offer high performance and sporty appearance with the added benefit of reduced noise levels making it the best choice for more mature enthusiasts. Silent Hi-Power mufflers are constructed entirely of SUS304 grade stainless steel for high lustre, long lasting performance. For certain applications, HKS has introduced the "Silent Chamber" which removes a lot of the lower frequency noise that can often be heard into the cabin even when cruising. The silent chamber removes this uncomfortable noise but due to its closed end design, only a minimal amount of exhaust gas flows into it, meaning that the disruption to exhaust gas flow through the entire system is minimized and there is no harm to performance.

Spec: Muffler Style: SUPERIOR specR Style: SSR Material: Ti Tip O.D.: 124 x4 Pipe Size: 85 Consist of: 2 Close Sound Level Stock/HKS: L88 R89/L87 R86, Idling Sound Level Stock/HKS: L68 R68/L67 R68 Remarks: Modification of stock AL air guide is required for one made after 11/2010. Check HKS page for details For R35 MY 12/2007 - 06/2016 Features: "High performance" is the concept of this full titanium muffer. When temperature of the pipe becomes more than 600℃, the color of the pipe will be like the above picture. * Advantex is a registered trademark of Owens Corning. The durable full titanium exhaust system is lightweight and it weighs 10kg lighter than stock exhaust system. As rpm goes up, the high sound will be like racing sound. The piping layout has large radius to optimize exhaust gas pressure and temperature. Reduced exhaust gas pressure can handle even hard tunings. Dual layer tips prevent heat affection to bumper and slits inside tips have noise reduction effect. After a lot of R&D, finally HKS' flagship exhaust system has been available with ultimate performance, sound quality and appearance. * Sould level with Metal Catalyzer: R 91dB L 92dB.

Spec: Muffler Style: Super Sound Master Style: RS Material: S3 SUS304 High quality stainless Tip O.D.: 102 L&R Pipe Size: 65-50x2 Consist of: 4 Close Sound Level (AP1) Stock/HKS: 90/93 Idling Sound Level (AP1) Stock/HKS: 58/62 Check HKS page for details (AP1) Check HKS page for details (AP2) For AP1 MY 04/1999 - 10/2005 , AP2 MY 11/2005 - 09/2009 Features: High frequency sport sound right after acceleration. Not too loud while cruising. Quiet at idling. Exhaust system that links with drivers' mind. What HKS has found about "sound". There should be a performance sound quality whether idling in the morning or at night, daily driving, or during spirited driving. HKS utilizes the latest sound control technology to develop exhaust systems that are tuned to the driver's desire. An unprecedented exhilarating sporty sound from the SSM begins the moment the accelerator is pressed.