13 Selected Ranking of SR400 Mufflers with Great Sound!!

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Hello! I’m YB Taro.

Today, I’d like to introduce mufflers compatible with the recently announced discontinued model, the SR400.

The SR400 has been a beloved classic from Yamaha, supported by riders of various generations for 43 years.

Please take a look at mufflers that match its classical appearance!

1st Place: Sym’z Craft Traditional Megaphone Muffler Slip-on for SR400 SR500

 

SR400 シムズクラフトトラディショナルメガホンマフラーってどうなのさ?


■Product Overview

  • Not compatible with fuel-injected (FI) vehicles
  • Material: Outer – Stainless Steel SUS304 / Inner – Steel
  • Sound Level: Approximately 93-94dB (SR500 measurement not available)
  • Not compliant with vehicle inspection standards
  • Total Length: 750mm

2nd Place: PRUNUS SR400 Megaphone Muffler 2018~

PRUNUSマフラー SR400

Surface treatment is a high-quality nickel-chrome plating finish. By incorporating a muffler chamber, we have achieved both improved power throughout the range and environmental performance. The adoption of the PRUNUS emblem further enhances the appearance. This is an easy-to-install slip-on type muffler.

Compliant with Heisei 28 (2016) emission regulations. Close-range noise: 90dB (A)

3rd Place: Garage T&F SR400 Up Trumpet Muffler (Slip-on)

  • Cannot be installed on stock suspension. (Lowering required)
  • Installation will use OEM gaskets. Customers without gaskets should purchase the SR400 Muffler Gasket (part number SR400ML05) separately.
  • For models from 1978 to 2000 with a center stand, please purchase the Center Stand Bolt SET separately for installation.
  • Not compatible with injection models.

SR400 アップトランペットマフラー(スリップオン) ガレージT&F

4th Place: DAYTONA Chrome Plated Slip-on Carbon Type Muffler for SR400 (’10~)

【バイク女子 】SR400のマフラーをDAYTONAキャブトンマフラーに交換しました

Slip-on Carbon Type Muffler This is a slip-on muffler of the carburetor type designed to maintain the traditional image of the carburetor type while being compatible with fuel-injected (FI) vehicles. It offers increased power throughout the entire range compared to the stock muffler while also ensuring environmental performance. It is JMCA certified.

Noise levels:

  • Low-range noise reduction (87dB/3250rpm)
  • Acceleration noise (81dB (A))

Note: Not compatible with carburetor-equipped vehicles (SR400/500).

5th Place: Yamaha SR400/SR500 Slip-on Stainless Megaphone Muffler (for Carburetor/Fuel-injected Vehicles)

 

【ペイトンプレイス】SRメガホンマフラーレビュー【SR400】【GSX-S750】

For carburetor-equipped vehicles, please see below:

Compatible Models: Yamaha SR400 (Not compatible with FI)/SR500 Material: Stainless Steel Silencer Size: Maximum outer diameter φ90 × total length 580mm Silencer Insertion Port Inner Diameter: φ41.5

Sound Levels:

  • Idle: 90.0dB
  • Close-range Exhaust Noise: 103.0dB

For fuel-injected (FI) vehicles, please see below:

Compatible Models: Yamaha SR400FI (Not compatible with carburetor-equipped vehicles) Material: Stainless Steel Silencer Size: Maximum outer diameter φ90 × total length 580mm Silencer Insertion Port Inner Diameter: φ41.5

Sound Levels:

  • Idle: 90.0dB
  • Close-range Exhaust Noise: 103.0dB

Please remove the center stand. This is a type where the silencer is directly inserted, so please use liquid gasket instead of OEM gaskets on the exhaust pipe.

6th Place: DAYTONA Slip-on Megaphone Type Muffler for SR400

スリップオンメガホンタイプマフラー_SR400FI_126

A slip-on muffler that achieves significant weight reduction and environmental performance while being compliant with vehicle inspections compared to the stock muffler. It features a conventional megaphone shape with a slight upward tilt (3.5 degrees) at the rear. This design suits various styles from cafes to choppers. The sound quality is characterized by a crisp, deep bass typical of steel mufflers.

[Close-range Noise]

  • 1JR: 91dB/3500rpm
  • RH01J: 92dB/3500rpm

■ Notes

  • There is a risk of interference with the center stand. Simultaneous installation with the center stand stopper (45861) is required.
  • Not compatible with fuel-injected (FI) vehicles.

7th Place: Yamaha SR400/SR500 Slip-on Megaphone Type Muffler for Carburetor-equipped Vehicles Stainless Polish Silencer

スリップオンメガホンタイプマフラー_SR400FI_126

SR400/500 Exclusive Muffler

This muffler is made from rust-resistant stainless steel with a polished finish, giving it a deep, lustrous shine. Its design, shorter than the swingarm, complements a wide range of custom styles.

  • Weight: 2kg
  • Close-range Noise: Approximately 96dB/3500rpm (approximately 81dB at idle) *Note: Sound levels may vary depending on the bike’s condition, climate, and measuring equipment.

8th Place: Peyton Place Stainless Norton Type Muffler for SR400

2019年 SR400 カフェレーサー Nortonタイプ PeytonPlaceマフラー サウンド検証!

9th Place: Peyton Place SR110 Megaphone Muffler Type: for Injection Models SR400 SR500

SR400のマフラー交換作業 ペイトンプレイス メガホンマフラー 【SR400】

Peyton Place ペイトンプレイス SR110メガホンマフラー タイプ:インジェクション車用 SR400 SR500 YAMAHA ヤマハ YAMAHA ヤマハ

10th Place: 2%er Slip-on Muffler Round Megaphone Muffler for SR400 SR500

SR400/500用 2%er ラウンドメガホンマフラー スリップオン ダウン (MR-EX152D)

A stainless steel round megaphone muffler designed for SR models as a slip-on. It features a design inspired by vintage old racers but also suits chopper and cafe styles well. It’s engineered to maintain sound quality, power, and durability without distortion even under high revs.

2%er ツーパーセンター スリップオンマフラー スリップオン ラウンドメガホンマフラー SR400 SR500

11th Place: GOODS SR400 SR500 Muffler Body TAPERED CORN Slip-on Muffler Black for SR400/500 (All Model Years) Carburetor and FI Vehicle Compatible

SR400 グッズ(GOODS) テーパーコーン スリップオンマフラー (2018-FINAL)

  • Size: Total Length: 595mm Maximum Diameter: 100mm
  • Specifications: For FI vehicles, idle noise level: 88.3dB, noise level at 3500rpm: 101.3dB

12th Place: CRAFTMAN Center-up Muffler Super Trap for SR400 SR500

スーパートラップマフラー 音量測定 SR400

■ Detailed Description Material: SUS304 (Stainless Steel) Utilizes Super Trap discs in the original megaphone-type muffler series to achieve a balance between quality and adjustment range. Stainless steel polish finish. The layout of the exhaust pipe passes directly under the engine to ensure bank angle.

■ Notes [Not JMCA Certified] *JMCA mufflers are government-certified mufflers suitable for driving on public roads in Japan. Please enjoy driving on public roads with confidence. *Mufflers not JMCA certified may not be suitable for vehicle inspection or driving on public roads. *Conditions may vary depending on vehicle model year, etc.

CRAFTMAN クラフトマン SR用 センターアップマフラー・スーパートラップ SR400 SR500 YAMAHA ヤマハ YAMAHA ヤマハ

13th Place: K&W Short Drag Pipe Muffler for SR400

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