Silicone Hose – Straight Reducer (Performance Reinforced Hose)
The obp Motorsport straight silicone hose reducer is engineered for air and fluid transfer applications, providing superior strength, flexibility, and long-lasting durability. Ideal for cooling systems, intercooler setups, and custom automotive projects, this hose ensures reliable performance in both motorsport and high-performance road vehicles.
Manufactured from premium reinforced silicone, each straight reducer meets or exceeds SAE J20 standards, offering excellent resistance to heat, pressure, and wear under demanding conditions.
Specifications:
Bore (ID): Dimensions refer to internal diameter
Type: Straight reducer
Length: 100mm
Working Temperature Range: -60°C to +220°C
Burst Pressure: 218 – 348 PSI (depending on ply reinforcement)
Finish: Black silicone, ply reinforcement varies by application
Compliance: Meets or exceeds SAE J20 standards
The obp Motorsport straight reducer silicone hose is a professional-grade solution for connecting and adapting coolant or intercooler lines, providing durable, reliable, and high-performance results for all automotive applications.
| Part Number | Description | PLY | Working Pressure (Bar) | Burst Pressure (Bar) | Weight (KG) | Length (mm) |
| Silicone Straight Reducers |
| OBPSR-1613 | 16-13 Straight Reducer | 3 | 7 | 21 | 0.033 | 100 |
| OBPSR-1913 | 19-13 Straight Reducer | 3 | 7 | 21 | 0.034 | 100 |
| OBPSR-1916 | 19-16 Straight Reducer | 3 | 7 | 21 | 0.037 | 100 |
| OBPSR-2216 | 22-16 Straight Reducer | 3 | 7 | 21 | 0.044 | 100 |
| OBPSR-2219 | 22-19 Straight Reduce | 3 | 7 | 21 | 0.044 | 100 |
| OBPSR-2519 | 25-19 Straight Reducer – 3ply | 3 | 7 | 21 | 0.044 | 100 |
| OBPSR-2822 | 28-22 Straight Reducer – 3ply | 3 | 7 | 21 | 0.049 | 100 |
| OBPSR-2825 | 28-25 Straight Reducer – 3ply | 3 | 7 | 21 | 0.051 | 100 |
| OBPSR-3225 | 32-25 Straight Reducer – 3ply | 3 | 7 | 21 | 0.055 | 100 |
| OBPSR-3228 | 32-28 Straight Reducer – 3ply | 3 | 7 | 21 | 0.057 | 100 |
| OBPSR-3525 | 35-25 Straight Reducer – 3ply | 3 | 7 | 21 | 0.066 | 100 |
| OBPSR-3528 | 35-28 Straight Reducer – 3ply | 3 | 7 | 21 | 0.068 | 100 |
| OBPSR-3532 | 35-32 Straight Reducer – 3ply | 3 | 7 | 21 | 0.062 | 100 |
| OBPSR-3825 | 38-25 Straight Reducer – 3ply | 3 | 7 | 21 | 0.060 | 100 |
| OBPSR-3832 | 38-32 Straight Reducer – 3ply | 3 | 7 | 21 | 0.069 | 100 |
| OBPSR-3835 | 38-35 Straight Reducer – 3ply | 3 | 7 | 21 | 0.070 | 100 |
| OBPSR-4035 | 40-35 Straight Reducer – 3ply | 4 | 7 | 21 | 0.072 | 100 |
| OBPSR-4532 | 45-32 Straight Reducer – 3ply | 4 | 7 | 21 | 0.070 | 100 |
| OBPSR-4538 | 45-38 Straight Reducer – 3ply | 4 | 7 | 21 | 0.079 | 100 |
| OBPSR-4830 | 48-30 Straight Reducer – 3ply | 4 | 7 | 21 | 0.078 | 100 |
| OBPSR-5138 | 51-38 Straight Reducer – 3ply | 4 | 6 | 18 | 0.079 | 100 |
| OBPSR-5146 | 51-46 Straight Reducer – 3ply | 4 | 6 | 18 | 0.083 | 100 |
| OBPSR-5451 | 54-51 Straight Reducer – 4ply | 4 | 6 | 18 | 0.092 | 100 |
| OBPSR-5751 | 57-51 Straight Reducer – 4ply | 4 | 6 | 18 | 0.013 | 100 |
| OBPSR-6051 | 60-51 Straight Reducer – 4ply | 4 | 5 | 15 | 0.012 | 100 |
| OBPSR-6345 | 63-45 Straight Reducer – 4ply | 4 | 5 | 15 | 0.128 | 100 |
| OBPSR-6351 | 63-51 Str
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