Option - 4" Riser, Mercruiser (#MercOpt-In-4R-1)
PRICE:
$467.00
Part #: MercOpt-In-4R-1
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4" exhaust riser option for a Mercruiser inboard engine.
**Attention: This product is an accessory and not to be purchased without purchasing a valid Mercruiser engine. Check table below to check engine validity.**
| This part is for: | |
| The 4" riser requires the purchase of the ECT Catalyst option as well. | |
| 5.7L MPI (350 Mag) | MercBob-57LMPI-In |
| 5.7L Horizon (350 Mag HZ) | MercBob-57LHZ-In |
| 8.1L Horizon | MercBob-81LHZ-In |
| 8.1L HO | MercBob-81LHO-In |