P2R [06-11 Civic Si] Thermal Throttle Body Spacer | 3/4" | P305

Overview

Bolt on measurable power gains with the P2R thermal throttle body spacer for the 2006–2011 Honda Civic Si. Dyno-tested on a 2006 Civic Si with a proven +4.5 whp gain. Machined in-house in the USA from 6061 aluminum with an anodized finish. Available in Silver (P305) and Red (P305R).

Features

• 3/4" thickness for optimal plenum effect
• CNC-machined from 6061 aluminum, made in the USA
• Anodized finish for a clean, show-quality look
• Includes two thermal gaskets for heat insulation
• Includes extended stainless steel Allen bolts
• Optional 1/8" NPT threaded port available upon request — ideal for vacuum line, nitrous, or methanol injection

Fitment

• 2006–2011 Honda Civic Si

Part Numbers

• Silver: P305
• Red: P305R

⚠️ WARNING: This product can expose you to chemicals including carbon black, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.