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Spec: Muffler Style: Super Turbo Muffler Style: SSR Material: S3 SUS304 High quality stainless Tip O.D.: 124 Pipe Size: 75 Consist of: 3 Close Sound Level Stock/HKS: 82/90 Idling Sound Level Stock/HKS: -/65 Remarks: Fits to stock rear under spoiler. Check HKS page for details For MY 09/1996 - 09/2000. Features: "High-dimensional Super Turbo Muffler Debut" Exhaust Efficiency & Sound Pressure Reduction are implemented together. The turbo engine master HKS challenged to implement the following 3 characteristics together to develop Super Turbo Muffler. -Effective on stock to high performance vehicles w/ upgraded turbines. -The performance exhaust sound meets the JASMA standard. -Unique exhaust sound designed specifically for the engine.

Spec: Muffler Style: Super Turbo Muffler Style: SSR Material: S3 SUS304 High quality stainless Tip O.D.: 124 Pipe Size: 75 Consist of: 2 Close Sound Level Stock/HKS: 89/91 Idling Sound Level Stock/HKS: 68/67 Check HKS page for details For MY 01/1999 - 08/2002. Features: "High-dimensional Super Turbo Muffler Debut" Exhaust Efficiency & Sound Pressure Reduction are implemented together. The turbo engine master HKS challenged to implement the following 3 characteristics together to develop Super Turbo Muffler. -Effective on stock to high performance vehicles w/ upgraded turbines. -The performance exhaust sound meets the JASMA standard. -Unique exhaust sound designed specifically for the engine.

Spec: Muffler Style: Super Turbo Muffler Style: SSR Material: S3 SUS304 High quality stainless Tip O.D.: 124 Pipe Size: 85 Consist of: 2 Close Sound Level Stock/HKS: 93/96 Idling Sound Level Stock/HKS: 66/74 Check HKS page for details For MY 08/1889 - 12/1994. Features: "High-dimensional Super Turbo Muffler Debut" Exhaust Efficiency & Sound Pressure Reduction are implemented together. The turbo engine master HKS challenged to implement the following 3 characteristics together to develop Super Turbo Muffler. -Effective on stock to high performance vehicles w/ upgraded turbines. -The performance exhaust sound meets the JASMA standard. -Unique exhaust sound designed specifically for the engine. Super Turbo Muffler for SKYLINE GT-R Main Features of RB Series "Effective on stock to high performance vehicles over 600PS" The exhaust pipe utilizes an 85mm straight pipe so it can be effective on stock to high performance vehicles with upgraded turbines. HKS Metal Catalyzer can be used together (the joint diameter is designed to 80mm). Also, straight through construction of the main shell internals and tail pipe improves the exhaust efficiency. The ground clearance is maintained to be the same as the stock clearance by the optimized layout and flange position. "The performance exhaust sound meets the JASMA standard" The exhaust sound was designed to meet the JASMA standard, and the sound was created to be appropriate for a wide variety of situations such as "street," "idling," "cold start," "high speed driving," and "quiet driving." Also, a comfortable clear sound inside the vehicle's cabin is presented by eliminating the lower exhaust resonance. "Unique exhaust sound designed specifically for the RB26 engine" Listen to the unique exhaust sound designed specifically for the RB26 engine when the throttle is opened. The exhaust tone sounds different when driving on the street than on the highway. HKS strongly recommends for the GT-R owners to enjoy the RB sound with our masterpiece Super Turbo Muffler. The exhaust sound was designed to meet the JASMA standard even used with HKS Front Pipe and/or Metal Catalyzer. * The sound level may be out of the standard due to the vehicle's settings and/or specifications.

Spec: Muffler Style: Super Turbo Muffler Style: SSR Material: S3 SUS304 High quality stainless Tip O.D.: 124 Pipe Size: 85 Consist of: 2 Close Sound Level Stock/HKS: 95/94 Idling Sound Level Stock/HKS: 70/73 Check HKS page for details For MY 01/1999 - 08/2002, standard & V Spec. Features: "High-dimensional Super Turbo Muffler Debut" Exhaust Efficiency & Sound Pressure Reduction are implemented together. The turbo engine master HKS challenged to implement the following 3 characteristics together to develop Super Turbo Muffler. -Effective on stock to high performance vehicles w/ upgraded turbines. -The performance exhaust sound meets the JASMA standard. -Unique exhaust sound designed specifically for the engine. Super Turbo Muffler for SKYLINE GT-R Main Features of RB Series "Effective on stock to high performance vehicles over 600PS" The exhaust pipe utilizes an 85mm straight pipe so it can be effective on stock to high performance vehicles with upgraded turbines. HKS Metal Catalyzer can be used together (the joint diameter is designed to 80mm). Also, straight through construction of the main shell internals and tail pipe improves the exhaust efficiency. The ground clearance is maintained to be the same as the stock clearance by the optimized layout and flange position. "The performance exhaust sound meets the JASMA standard" The exhaust sound was designed to meet the JASMA standard, and the sound was created to be appropriate for a wide variety of situations such as "street," "idling," "cold start," "high speed driving," and "quiet driving." Also, a comfortable clear sound inside the vehicle's cabin is presented by eliminating the lower exhaust resonance. "Unique exhaust sound designed specifically for the RB26 engine" Listen to the unique exhaust sound designed specifically for the RB26 engine when the throttle is opened. The exhaust tone sounds different when driving on the street than on the highway. HKS strongly recommends for the GT-R owners to enjoy the RB sound with our masterpiece Super Turbo Muffler. The exhaust sound was designed to meet the JASMA standard even used with HKS Front Pipe and/or Metal Catalyzer. * The sound level may be out of the standard due to the vehicle's settings and/or specifications.

S304. TAIL PIPE DIAMETER: 110 L&R. CENTER PIPE DIAMETER: 60-50 x 2. https://www.youtube.com/watch?v=LXYesz-Gaw4

Spec: Muffler Style: Super Turbo Muffler Style: SSR Material: S3 SUS304 High quality stainless Tip O.D.: 124 Pipe Size: 75-60 Consist of: 4 Close Sound Level Stock/HKS: 74/78 Idling Sound Level Stock/HKS: 54/55 Remarks: The tip's color is silver not blue gradation. Check HKS page for details For MY 08/2014 - Features: "High-dimensional Super Turbo Muffler Debut" Exhaust Efficiency & Sound Pressure Reduction are implemented together. The turbo engine master HKS challenged to implement the following 3 characteristics together to develop Super Turbo Muffler. -Effective on stock to high performance vehicles w/ upgraded turbines. -The performance exhaust sound meets the JASMA standard. -Unique exhaust sound designed specifically for the engine.

Tail pipe for 120mm, Center pipe for 85mm. Consist of 2. 93dB. Engine for RB25DET.

More info: https://www.hks-power.co.jp/en/product_db/muffler/db/21615

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: 3 Close Sound Level Stock/HKS: 91/98 Idling Sound Level Stock/HKS: 76/84 Check HKS page for details For CP9A(VI,V) MY 01/1998-01/2001 Remarks: Not fit to Tommi Makinen EDITION 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 fiber glass wool). * Advantex is a registered trademark of Owens Corning.

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: 87/98 Idling Sound Level Stock/HKS: 75/78 Check HKS page for details For GC8 applied G Remarks: * Fits to 2 door. * For applied model G. 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.