Brakes
Buyer's Guide
PRL HVI Intake for Civic Type R — Street MAF vs Race MAF Buyer's Guide
The PRL HVI ships with a choice of two billet MAF housings — Street MAF and Race MAF. Get it wrong and you'll either leave power on the table or trigger check engine lights. Here's exactly how to c...
Exhaust
Tomei Japan Titanium Exhaust Buyer's Guide: EXPREME Ti vs Ti RACING vs Ti SPORTS vs EXTRACK Ti
Tomei Powered Japan builds four distinct titanium exhaust sub-brands — EXPREME Ti, Ti RACING, Ti SPORTS and EXTRACK Ti — each engineered for a different car, a different driver and a different pri...
E85
Why Injector Characterisation Data Matters — and Why Most Injectors Don't Have It
Most aftermarket injectors ship with a flow rate and little else. Without proper characterisation data — dead time values, dynamic flow matching, and slope rates across voltage and pressure — your ...
E85
How to Choose the Right Fuel Injector Size for Your Build
How to Choose the Right Fuel Injector Size for Your Build
Choosing the right fuel injector size is one of the most important decisions in any performance build. Too small and you run lean at peak p...