SKU: PSP-ITR-400-3BK
PERRIN Front Mount Intercooler Boost Tube Kit (Black) – 2002-2007 Subaru WRX / STI
The PERRIN Front Mount Intercooler Boost Tube Kit in black is a complete high-flow upgrade for 2002-2007 Subaru WRX and STI models. This kit replaces the restrictive factory boost tubes with mandrel-bent aluminum piping and high-quality silicone couplers to improve airflow from the turbo to the intercooler. The black powder-coated finish provides a sleek, stealthy appearance while offering excellent corrosion resistance. Designed for both stock and modified setups, the kit reduces pressure drop, improves throttle response, and supports higher boost levels for noticeable performance gains.
Key Features
- High-Flow Aluminum Piping – Mandrel-bent for smooth airflow and reduced turbulence
- Black Powder Coat Finish – Sleek appearance with superior corrosion resistance
- Premium Silicone Couplers – Reinforced for durability under boost and heat
- Direct Fit – Bolt-on replacement for factory boost tubes on 2002-2007 WRX/STI
- Performance Gains – Improves throttle response and supports higher boost applications
| Spec | Detail |
|---|---|
| Part Number | PSP-ITR-400-3BK |
| Brand | PERRIN Performance |
| Type | Front Mount Intercooler Boost Tube Kit |
| Compatibility | 2002-2007 Subaru WRX / STI |
| Finish | Black Powder Coat |
| Country of Origin | United States |
| Warranty | PERRIN Performance Limited Lifetime Warranty |
Whats Included
- Complete set of mandrel-bent aluminum boost tubes (black)
- High-quality silicone couplers
- All necessary clamps and mounting hardware
- Installation instructions
Product Notes
- Designed specifically for 2002-2007 Subaru WRX and STI models
- Reduces pressure drop and improves throttle response compared to stock piping
- Black powder coat finish provides a clean, OEM+ appearance
Installation Notes
- Direct bolt-on replacement for factory boost tubes
- Estimated time: 1–2 hours
- Professional installation recommended for proper alignment and sealing
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2002-2007 | Subaru | WRX / STI | Front Mount Intercooler Boost Tube Kit (Black) |
Why Choose PERRIN Boost Tube Kits?
- Precision-machined aluminum piping for optimal flow and minimal restriction
- High-quality components ensure durability under boost and heat
- Engineered in the USA for perfect fitment on Subaru WRX/STI platforms
Frequently Asked Questions
- Q: Does this boost tube kit fit my 2006 Subaru WRX?
A: Yes, direct fit for all 2002-2007 Subaru WRX and STI models. - Q: Is this a full intercooler or just the boost tubes?
A: This is the boost tube piping kit only. It connects the turbo to the intercooler and is designed to work with your existing intercooler core. - Q: Will it improve performance?
A: Yes, the larger diameter mandrel-bent piping reduces pressure drop and improves throttle response and overall boost delivery.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Official PERRIN Performance retail box
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