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Spec: Muffler Style: Hi-Power409 Style: HP Material: S4 SUH409 Stainless that are used for many stock parts Tip O.D.: 120 Pipe Size: 75 Consist of: 2 Close Sound Level Stock/HKS: 94/97 Idling Sound Level Stock/HKS: -/73 Check HKS page for details For SW20 MY 10/1989 - 09/1999 Features: The real street sports muffler. Hi-Power 409 mufflers offer a cost effective solution for your sports muffler needs. The rear section is made from SUS304 grade stainless steel for a high lustre finish and the piping section which is not visible once fitted is made from coated SUH 409, reducing the cost. SUH409 has other benefits such as being more resistant to thermal expansion and improved acoustic properties. SUH409 has the ability to absorb more sound than SUS304 which allows Hi-Power 409 mufflers to have a straight through design without fear of excessive noise. - Efficient exhaust gas flow by the pipe layouts. - Agressive exhaust sound. - "JASMA" approved. - The material of main silencer and tip is SUS304. Pipe portion, which is difficult to see are made of SUH409. This combination enables good appearance and high cost performance. - Proven "Advantex* glass wool" (Continuous fibeer glass wool). * Advantex is a registered trademark of Owens Corning.

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: 89/91 Idling Sound Level Stock/HKS: 75/79 Remarks: *Fits to 2 door. *Not tested for stock rear bumper skirt. Check HKS page for details For GC8, MY 11/1992 - 07/2000 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: 82/90 Idling Sound Level Stock/HKS: 67/72 Remarks: (GDB) *For applied model A-D. *Fits to stock rear under skirt. *Fits to "SPEC-C". (GDA) *For applied model A, B. Check HKS page for details For GDB applied A-D, MY 10/2000 - 05/2004, GDA applied A-B, MY 08/2000 - 10/2002, GGA MY 08/2000 - 10/2002 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 SC Material: S3 SUS304 High quality stainless Tip O.D.: 94 L&R Pipe Size: 65 Consist of: 3 Close Sound Level Stock/HKS: (GRF)L81 R81/L90 R91 (GRB)L80 R80/L90 R89 Idling Sound Level Stock/HKS: L63 R65/L71 R71 Remarks: (GRF) Fit to stock option STI exhaust finisher. (GRB) Fit to stock option STI exhaust finisher. Compatible with "Spec C". Not fit to R205. Check HKS page for details For GRF MY 02/2009 - 08/2014, GRB MY 10/2007 - 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: silent Hi-Power Style: HP(TYPE-H Sporty type with perfect circle shape shell.) Material: S3 SUS304 High quality stainless Tip O.D.: 120 Pipe Size: 75 Consist of: 1 Close Sound Level Stock/HKS: 87/98 Idling Sound Level Stock/HKS: -/80 Check HKS page for details Remarks: Not for 98/12- 206.0kw(280PS) vehicle. For FD3S MY 12/1991 - 11/1998 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(TYPE-H Sporty type with perfect circle shape shell.) Material: S3 SUS304 High quality stainless Tip O.D.: 120 Pipe Size: 75 Consist of: 2 Close Sound Level Stock/HKS: 85/99 Idling Sound Level Stock/HKS: 63/87 Remarks: Single leftside outlet layout. Check HKS page for details For FC3S MY 09/1985 - 11/1991 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: 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.