Collection: Acuity Instruments
ACUITY Instruments LLC was started by two engineers with backgrounds in F1 and LMP1 racing. ACUITY strives to develop and provide class-leading motorsport products with the rugged construction that circuit racers demand and the refinement that street enthusiasts love. Our goal is to make you fall in love with your car again as you improve its performance with products from ACUITY.
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10th Gen Civic Fully Adjustable Performance Short Shifter
Regular price $499.00 USDRegular price$532.00 USDSale price $499.00 USDSale -
13€ MAF Wiring Harness Extension for the 9th Gen Civic Si
Regular price $29.00 USDRegular price$33.00 USDSale price $29.00 USDSale -
*DISCONTINUED* ACUiTY Instruments CURL CONTROL Cold Air Intake System for the 9th Gen Civic Si (RBC Intake Manifold)
Regular price $539.00 USDRegular price$599.00 USDSale price $539.00 USDSold out -
*DISCONTINUED* ACUiTY Instruments CURL CONTROL Cold Air Intake System for the 9th Gen Civic Si (OEM Intake Manifold)
Regular price $519.00 USDRegular price$577.00 USDSale price $519.00 USDSold out -
Replacement Air Filter for 1891 Cold Air Intake Kits
Regular price $59.00 USDRegular price$66.00 USDSale price $59.00 USDSale -
Throttle Body Coupler for 1891 CURL CONTROL Cold Air Intake System (RBC or Similar Intake Manifold / OEM Throttle Body)
Regular price $109.00 USDRegular price$88.00 USDSale price $109.00 USD -
Throttle Body Coupler for 1891 CURL CONTROL Cold Air Intake System (RBC or Similar Intake Manifold / ZDX or Similar Throttle Body)
Regular price $109.00 USDRegular price$88.00 USDSale price $109.00 USD -
Throttle Body Coupler for 1891 CURL CONTROL Cold Air Intake System (OEM Manifold / ZDX or Similar Throttle Body)
Regular price $89.00 USDRegular price$73.00 USDSale price $89.00 USD -
Throttle Body Coupler for 1891 CURL CONTROL Cold Air Intake System (OEM Manifold / OEM Throttle Body)
Regular price $89.00 USDRegular price$73.00 USDSale price $89.00 USD -
22€ Battery Sensor Harness Extension for the 9th Gen Civic Si
Regular price $22.00 USDRegular price$25.00 USDSale price $22.00 USDSale -
Battery Relocation Tray for the 9th Gen Civic Si
Regular price $159.00 USDRegular price$166.00 USDSale price $159.00 USDSale -
K-Series Transmission Performance Select Springs
Regular price $26.00 USDRegular price$28.00 USDSale price $26.00 USDSale -
ESCO-T6 Shift Knob in Satin Red Finish (M10X1.5)
Regular price $75.00 USDRegular price$84.00 USDSale price $75.00 USDSale -
ESCO-T6 Shift Knob in Satin Purple Finish (M10X1.5)
Regular price $75.00 USDRegular price$84.00 USDSale price $75.00 USDSale -
ESCO-T6 Shift Knob in Satin Black Finish (M10X1.5)
Regular price $75.00 USDRegular price$84.00 USDSale price $75.00 USDSale -
1884 Shifter Base Bushings
Regular price $39.00 USDRegular price$32.00 USDSale price $39.00 USD -
SHIFTER CABLE BUSHING UPGRADE (for various 2007+ vehicles)
Regular price $79.00 USDRegular price$74.00 USDSale price $79.00 USD -
9th Gen Civic ACUITY Adjustable Short Shifter
Regular price $449.00 USDRegular price$466.00 USDSale price $449.00 USDSale -
Hall Effect Throttle Position Sensor for the RSX-S and EP3
Regular price $115.00 USDRegular price$128.00 USDSale price $115.00 USDSale -
Honda K-Series TPS Calibration Harness
Regular price $28.00 USDRegular price$29.00 USDSale price $28.00 USDSale -
Double Cup Air Freshener (Green Tea Scent)
Regular price $2.95 USDRegular price$9.00 USDSale price $2.95 USDSale -
Interior Panel and Trim Removal Tools
Regular price $12.00 USDRegular price$17.00 USDSale price $12.00 USDSale -
Cerakoted Adjustment Bodies for 1981-RHD Shifters
Regular price $159.31 USDRegular price -
ACUITY Instruments POCO Insulated Low-Profile Shift Knob in Red (M10X1.5)
Regular price $109.00 USDRegular price$122.00 USDSale price $109.00 USDSale
