SKU: PSP-ITR-438-3NY
PERRIN 15-21 Subaru STI Front Mount Intercooler Boost Tube Kit – Neon Yellow
The PERRIN Front Mount Intercooler Boost Tube Kit in Neon Yellow replaces restrictive factory boost pipes on 2015-2021 Subaru STI models equipped with front mount intercoolers. These 3-inch diameter silicone tubes deliver higher airflow volume and lower pressure drop for improved turbo response and power output. Direct bolt-on design ensures easy upgrade without modifications.
Key Features
- 3-Inch Silicone Tubes: Four custom shaped tubes with 3-inch inner diameter flow 45 percent more air than stock 2.25-inch pipes reducing boost lag
- 4-Ply Reinforced Construction: High-temperature silicone handles 50 PSI burst pressure and 350 degree F temperatures for long-term reliability under high boost
- Neon Yellow Color: Vibrant powder-coated finish adds bold underhood style while resisting fading from heat and oils
- T-Bolt Clamps Included: Heavy-duty stainless steel clamps provide secure leak-free connections outperforming worm-gear clamps
- Complete Hardware Kit: All silicone couplers constant tension springs and fittings supplied for plug-and-play installation
Product Notes
- Designed for STI with aftermarket front mount intercooler check your setup compatibility
- Avoid contact with petroleum-based cleaners use silicone-safe products only
- Packaged in protective foam-lined box for damage-free delivery
Installation Notes
- Professional installation recommended.
- 2-3 hours install time with basic hand tools no trimming or fabrication needed
- Bolts to factory turbo and intercooler locations includes all required hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX STI | Base |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2015-2021 | Subaru | WRX STI | R |
Why Choose PERRIN?
- Proven leader in Subaru performance parts used in racing and street applications
- Made in USA with premium materials for consistent durability
- Precision engineered using CAD and dyno testing for exact fit and gains
Frequently Asked Questions
- Q: Will this fit my 2015 STI with Process West FMIC?
A: Yes fits all common front mount intercoolers on 2015-2021 STI including Process West Mishimoto and ETS verify inlet outlet sizes match 3-inch - Q: What material are the tubes?
A: 4-layer reinforced silicone rated for 4 BAR 50 PSI and 175C 350F continuous use with embedded Kevlar lining - Q: What warranty coverage?
A: Lifetime warranty against manufacturing defects covers material and workmanship for original purchaser
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Foam protected box 12 x 10 x 5 inches
- Weight: 2.2 lbs
