Hypertech 121351 Hypertech Street Runner Power Chips Air Filters The Street Series is rated

The Street Series is rated for vehicles up to 400 HP and offers significant improvement in impact resistance over stamped steel—important when you're sliding over rocks

Each gasket is manufactured to precise thickness specifications for correct compression and sealing characteristics

Catco recommends replacing oxygen sensors at the same time for optimal system performance

Constructed from aluminized or stainless steel with a 2

Hypertech 121351 Hypertech Street Runner Power Chips Air Filters The Street Series is ratedThe Hypertech 121351 Hypertech Street Runner Power Chips from Hypertech is a direct ECU reprogramming solution that replaces your vehicle's factory calibration EPROM with an optimized performance tune. Designed for OBD I and early OBD II gasoline vehicles, this performance chip rewrites fuel and spark tables for measurable horsepower and torque gains. It's a straightforward hardware upgrade that requires no laptop, no software, and no dyno tuning.