MVB
JSR Performance variable mufflers let you adjust exhaust sound and back pressure with precision control.
Robust valve mechanisms and durable housings are built for repeated thermal cycling.
Assembled kits and body-only options support custom exhaust builds and service workflows.
Select surface finish and size below to view product images, diagrams, and part numbers.
Surface
We have achieved perfect durability by applying SUS304 material both internally and externally.
Size
Two types: single and dual.
| Part no. | A (mm) | B (mm) | C (In ø) |
|---|---|---|---|
| MVB80S_S | 152 | Short 73 / Long 95 | 3.15 |
| MVB89S_S | 161 | Short 76 / Long 98 | 3.50 |
| MVB100S_S | 172 | Short 80 / Long 102 | 3.94 |
| MVB114S_S | 186 | Short 85 / Long 107 | 4.49 |
| MVB127S_S | 199 | Short 90 / Long 112 | 5.00 |
| Part no. | A (mm) | B (mm) | C (In ø) |
|---|---|---|---|
| MVB80D_S | 152 | Short 73 / Long 95 | 3.15 |
| MVB89D_S | 161 | Short 76 / Long 98 | 3.50 |
| MVB100D_S | 172 | Short 80 / Long 102 | 3.94 |
| MVB114D_S | 186 | Short 85 / Long 107 | 4.49 |
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