DC Sports 3.5"-3" Silicone Reducing Coupler
DC Sports 3.5"-3" Silicone Reducing Coupler
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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
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For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications
Product details shared across all variants.
- Product type
- Engine Air Intake Tubing Coupler
- Category
- Motor Vehicle Engine Parts
- Item condition
- New
- Shipping dimensions (L × W × H)
- Shipping weight
- 0.3 lb
Billable shipping weight; may include dimensional weight.
The DC Sports 3.5 inch to 3 inch silicone reducing coupler is what you use when your intake, intercooler, or charge pipe sizes don’t match but you still care about airflow and reliability. This DC Sports silicone coupler gives you a solid, flexible connection between a 3.5 inch pipe and a 3 inch pipe without weird step-edges, sharp transitions, or sketchy adapter stacks.
Built from a multi-ply, temperature resistant polyester silicone compound, this DC Sports high temp coupler holds up to high under-hood temps, boost, and constant movement. Compared to thin, single-layer hose, this polyester silicone coupler resists ballooning, softening, and collapse under load, so it stays round and sealed in turbo, supercharged, or high-RPM NA setups.
This DC Sports reducing coupler keeps the transition from 3.5 inch to 3 inch smooth, so you don’t need metal adapters or extra welds that can crack or leak. The flexible DC Sports silicone coupler absorbs engine rock and chassis flex, which helps protect your intercooler and intake piping, and its smooth internal bore keeps airflow consistent. Whether you’re finishing a custom intercooler setup or adapting an aftermarket intake, this engine silicone reducing coupler keeps things simple and reliable.
This high temp silicone coupler is built for harsh engine bay spots, including near turbo housings and downpipes where lesser hose cooks and cracks. The black silicone coupler finish gives your bay a clean motorsport look. If you’re piecing together an extreme engine coupler setup with tight clearances, this silicone reducing coupler gives you some forgiveness without giving up strength.
Like the rest of our hardware, this DC Sports engine coupler comes from years of beating on sport compact and performance builds. If you need a silicone engine coupler that won’t fold under boost or heat, this DC Sports polyester coupler is the kind of polyester silicone coupler you install once and stop worrying about. It’s a straightforward DC Sports silicone coupler that just works.
- 3.5 inch to 3 inch coupler / silicone engine coupler (SKU: DCCP300-350)
- Multi-ply silicone construction with polyester reinforcement
- High temp silicone coupler resists heat, pressure, and deformation resistant to 350 deg. F
- Ideal for intake, turbo, and intercooler piping where a silicone reducing coupler is needed
- Flexible engine silicone reducing coupler absorbs vibration and engine movement
- Universal temperature resistant silicone coupler for custom engine and piping layouts
