| Vibrant -6AN Flare to AN Straight Cut Thread (9/16-18) w/ O-Ring Adapter Fitting | rcautoworks.com | 8.29 USD | 11.29 USD | −26.6% |
| Comp Clutch 2.4L K Series Stage 3 - Ceramic Sprung Clutch Kit w/Flywheel | rcautoworks.com | 790.42 USD | 988.02 USD | −20% |
| MISHIMOTO UNIVERSAL INTERCOOLER S-LINE | rcautoworks.com | 287.95 USD | 359.04 USD | −19.8% |
| B series ramhorn manifold Non-Ac Compatible | rcautoworks.com | 850 USD | 1,050 USD | −19% |
| ARP Honda D16A / D16Z M10 Head Stud Kit | rcautoworks.com | 155 USD | 187.75 USD | −17.4% |
| Comp Clutch 00-09 Honda S2000 Stage 2 - Steelback Brass Plus Clutch Kit | rcautoworks.com | 647.95 USD | 780 USD | −16.9% |
| Seibon 06-07 Honda Civic 4 Door MGII-Style Carbon Fiber Hood | rcautoworks.com | 1100 USD | 1,280 USD | −14.1% |
| Seibon 06-10 Honda Civic 2 Door TS STyle Carbon Fiber Hood | rcautoworks.com | 1100 USD | 1,280 USD | −14.1% |
| AEM 8 Channel K-Type Thermocouple EGT CAN Module | rcautoworks.com | 433.74 USD | 485 USD | −10.6% |
| Radium Engineering 94-05 Mazda Miata/MX-5 Fuel Rail | rcautoworks.com | 132.95 USD | 140 USD | −5% |
| Ferrea Acura/Honda B18/B16 Endurance Dual Spring Kit | rcautoworks.com | 998.91 USD | 1,050 USD | −4.9% |
| Hondata Flashpro License | rcautoworks.com | 495 USD | 510 USD | −2.9% |
| Edelbrock Supercharger Stage 2 - 15-17 Ford Mustang Modular Nose 5.0L V8 | rcautoworks.com | 11377.87 USD | — | — |
| Edelbrock Supercharger Stage 2 SC 15-17 Mustang Coyote 5.0L-No Tuner | rcautoworks.com | 10872.87 USD | — | — |
| ScienceofSpeed Tuner Supercharger System - S2000, 2000-09 | rcautoworks.com | 5515 USD | — | — |
| MDR Industries Ball Bearing Drop-In Turbocharger Upgrade for Honda/Acura 2.0T G25-660 [FK8/FL5/DE5/CV2] | rcautoworks.com | 3200 USD | — | — |
| PRL Power Builder | rcautoworks.com | 3099 USD | — | — |
| Haltech Elite Harness for a 2006-2011 Honda Civic SI + Haltech 2500 | rcautoworks.com | 2999 USD | — | — |
| Haltech Elite 2500 with harness for 9thGen Civic Si - Combo | rcautoworks.com | 2999 USD | — | — |
| Haltech Nexus S2 with 8th/9th Gen Honda Civic Si plug and play harness | rcautoworks.com | 2850 USD | — | — |
| Haltech Elite Harness for a 2006-2011 Honda Civic SI + Haltech 1500 | rcautoworks.com | 2699 USD | — | — |
| Nexus S2 ECU with Honda OBD1 / OBD2A or OBD2B Plug and Play Harness | rcautoworks.com | 2699 USD | — | — |
| Haltech Elite 2500 w/ Plug and Play harness for Honda OBD2B | rcautoworks.com | 2669 USD | — | — |
| 2017-2021 Honda Civic Type-R FK8 P600 Drop-In Turbocharger Upgrade | rcautoworks.com | 2649.99 USD | — | — |
| Elite 2500 + Nissan Skyline R32/33/R34 GT-R Plug'n'Play Adaptor Harness Kit | rcautoworks.com | 2599 USD | — | — |
| RV6 R660 RED BALL BEARING TURBO FOR 2.0T WITH BYPASS VALVE | rcautoworks.com | 2599 USD | — | — |
| Gear-X K-Series Honda 1-4 Master Series Drag Kit II Gen 2 | rcautoworks.com | 2524.5 USD | — | — |
| 2002 - 2003 Acura CL ( Manual trans only ) Haltech 2500 with plug and play harness | rcautoworks.com | 2508 USD | — | — |
| RCautoworks Stage 1 Package | rcautoworks.com | 2499.99 USD | — | — |
| Elite 2500 + Premium Universal Wire-in Harness Kit | rcautoworks.com | 2444 USD | — | — |
| Haltech Elite 1500 w/ Plug and Play harness for Honda OBD2B | rcautoworks.com | 2299 USD | — | — |
| Haltech Nexus S2 Plug 'n' Play Adapter Harness Kit - Honda S2000 (AP1 / AP2 ) | rcautoworks.com | 2290 USD | — | — |
| Haltech Nexus S3 with 8th Gen Honda Civic Si plug and play harness | rcautoworks.com | 2290 USD | — | — |
| Nexus S3 ECU | rcautoworks.com | 2260 USD | — | — |
| Haltech Elite 1500 w/ Plug and Play harness for Honda OBD1 | rcautoworks.com | 2199 USD | — | — |
| Haltech Nexus S2 Plug 'n' Play Adapter Harness Kit - Nissan Silvia S15 | rcautoworks.com | 2190 USD | — | — |
| Haltech uC-10 Digital Dash Size: 10in | rcautoworks.com | 1995 USD | — | — |
| Kooks 09-13 Chevrolet Silverado 1500 LTZ WT LS LT XFE 1-7/8 x 3 Header & Catted Y-Pipe Kit | rcautoworks.com | 1895.48 USD | — | — |
| Air Lift Performance 3P (1/4 Air Line 4 Gal 5-Port Polished Aluminum Tank VIAIR 444C Comp) | rcautoworks.com | 1895 USD | — | — |
| Tomei 2017-2021 Honda Civic Type R Expreme-Ti Titanium Type-D Exhaust | rcautoworks.com | 1890 USD | — | — |