Step cleanly between two pipe sizes with the Flexfab 7903-225275 silicone reducer. Its 4-ply meta-aramid construction handles the heat and boost pressure of coolant and charge-air systems alike β a dual-purpose reducer that holds shape and seals tight on both ends.
Why this Flexfab silicone reducer
- Dual-purpose design β works as a coolant hose or a charge-air connector, so one reducer covers two jobs.
- 4-ply meta-aramid reinforcement β high pressure and temperature resistance for hostile engine environments.
- β65Β°F to +500Β°F range β resists hardening, cracking, cold leaks, aging, and chemicals.
- Meets SAE J20 R1 Class A & TMC RP303B Class I Grade II β documented spec-grade performance.
- 2.25″ to 2.75″ ID step, 6.00″ OAL, .170″/.220″ wall β sized for a clean clamp seal on each end.
Pair with appropriate clamps on each end for a secure, leak-free connection between mismatched pipe sizes.
Backed by hpcouplersβ fast shipping and easy returns β order with confidence from a trusted industrial hose and coupler supplier.
- FlexFab Series: 7903
- Part Number: 7903-225275
- Inside Diameter (ID): 2.25″ to 2.75″ (reducing)
- Overall Length: 6.00″
- Wall Thickness: .170″ / .220″
- SAE J20 R1 Class A: Yes
- TMC RP303B Class I Grade II: Yes
- Extreme temp range: -65F to +500F
- Construction: Blue silicone hose with 4-ply meta-aramid reinforcement

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