- The Big MAF intake requires custom tuning and CANNOT be bolted on without it.
The Perrin Performance WRX & STI short ram intake system features powder coated aluminum piping with MAF sensor housing, mounting brackets, and a high-flow dual-stage foam air filter. Perrin's WRX & STI short ram intake uses proper MAF sizing and placement to optimize power, maintain safe air/fuel ratios, and extract as much power as possible. Perrin's dual-stage foam air filter can be recharged using the Perrin filter cleaning kit, sold separately.
The Perrin Big MAF Short Ram Intake is similar to the standard short ram intake, but has larger diameter piping where the MAF sensor attaches. This is for cars running over 320whp that need more efficient air flow. The Big MAF intake requires custom tuning and CANNOT be bolted on without it.
| Featured Product |  |
| Perrin WRX STi Short Ram V2 Intakes |
| The Perrin Performance WRX & STI short ram intake system features powder coated aluminum piping with MAF sensor housing, mounting brackets, and a high-flow dual-stage foam air filter. Perrin's WRX & STI short ram intake uses proper MAF sizing and placement to optimize power, maintain safe air/fuel r |
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| PSP-INT-201BK | Subaru Impreza (2002-2007) | | PSP-INT-201RD | Subaru Impreza (2002-2007) | | PSP-INT-221BK | Subaru Impreza (2002-2007) | | PSP-INT-221RD | Subaru Impreza (2002-2007) |
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