ROUND
JSR Performance mufflers are engineered for balanced exhaust flow, sound character, and long-term heat resistance.
Quality materials and precision fabrication deliver dependable performance in demanding conditions.
Multiple body and chamber configurations are available to suit diverse vehicle platforms.
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) |
|---|---|---|---|
| ROUND80S_S | 152 | Short 73 / Long 95 | 3.15 |
| ROUND89S_S | 161 | Short 76 / Long 98 | 3.50 |
| ROUND100S_S | 172 | Short 80 / Long 102 | 3.94 |
| ROUND114S_S | 186 | Short 85 / Long 107 | 4.49 |
| ROUND127S_S | 199 | Short 90 / Long 112 | 5.00 |
| Part no. | A (mm) | B (mm) | C (In ø) |
|---|---|---|---|
| ROUND80D_S | 152 | Short 73 / Long 95 | 3.15 |
| ROUND89D_S | 161 | Short 76 / Long 98 | 3.50 |
| ROUND100D_S | 172 | Short 80 / Long 102 | 3.94 |
| ROUND114D_S | 186 | Short 85 / Long 107 | 4.49 |
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