PPE 6.0" to 4.0" x 3.0" 5-Ply Silicone Reducer (Universal)
- Large silicone reducer coupler stepping 6.0" down to 4.0", 3.0" long, 5-ply with a 6mm wall.
- 5-ply reinforcement holds shape under boost without collapsing or ballooning.
- Joins big tube sizes cleanly in high-flow intake plumbing.
- Universal fit for connecting 6.0" and 4.0" tubing.
- Handles high heat from turbo intake and intercooler piping.
- Common for turbo intake transitions on large air-filter setups.
- Use with clamps (sold separately) at each end for a secure seal.
- Covered by a 1-year limited warranty from PPE.
Description
This is a PPE silicone reducer that steps from 6.0" down to 4.0" over a 3.0" length, built 5-ply with a 6mm wall. It’s the transition for big turbo intake plumbing.
The 5-ply construction keeps the reducer from collapsing under vacuum – important on the intake side at this size – and the thick silicone wall handles engine-bay heat. It cleanly mates a 6.0" tube to a 4.0" tube, a common step in high-flow intake tracts.
Fitment is universal, aimed at builds that run large air-filter and turbo-inlet plumbing that necks down to 4.0" piping. Anyone chasing airflow will recognize this size transition.
Secure both ends with proper T-bolt clamps (sold separately) and confirm your tube outside diameters before ordering. The reducer carries PPE’s 1-year limited warranty.
Warning: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Details
- 515604003
- 515604003
- 840171208870
- Pacific Performance Engineering
- New
Shipping Information
- Item Requires Shipping
- 0.6 lbs.
- W6.5000” x H3.0000” x L6.5000”
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