Key Features & Benefits – Stainless steel exhaust pipe reducer 2" to 2.25" (51–57 mm)
Stainless steel exhaust pipe reducer 2" to 2.25" (51–57 mm) is designed to bridge two different outside diameters when joining pipe sections or adapting a pipe to a larger/smaller connection point.
It’s made from stainless steel with a mirror-polished surface, listed for exhaust/turbo/intercooler/intake piping connections where a 2" to 2.25" OD step is needed.
When is this useful?
Useful when your build mixes 2" and 2.25" OD piping and you want a clean transition piece to plan a clamp-style or weld-style joint.
Technical specs
- Type: adapter/reducer
- Size (OD → OD): 51 → 57 mm (2" → 2.25")
- Listed length: 133 mm
- Wall thickness (small OD side): 1.05 mm
- Wall thickness (large OD side): 1.0 mm
- Material: stainless steel
- Surface: mirror polished
- Listed application: exhaust / turbo / intercooler / intake piping connections
- Listed tolerance: ±1 mm
- Package quantity: 1 pc
- Part number: EP-BJ51R57
Selection & installation tips
- Measure your piping outside diameter (OD) to confirm you really need 51 mm to 57 mm.
- Many components are specified by inside diameter (ID); always match OD-to-ID correctly for the joint style you’re building.
- Test-fit dry and confirm insertion depth and clearance for the 133 mm length.
- For clamped joints, use correctly sized clamps; for welding, prep edges for full, even contact around the circumference.
- Account for the listed ±1 mm tolerance and base final fitment on real measurements.
Before fitting, self-verify OD sizes (2" to 2.25" / 51–57 mm), joint style (OD/ID), and available space for the 133 mm length, then compare them to the specifications listed above.
