Tech Guides

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 prio...

What are TGV deletes and when do you actually need them? How removing the factory tumble generator valves improves airflow, throttle response, and reliability on EJ-powered Subaru WRX and STI builds.

Everything you need to know about upgrading the downpipe on your Honda Civic Type R FK8 or FL5 - fitment, power gains, what to look for in a quality downpipe, and what supporting mods you need.

Cat-back or turbo-back - which one do you actually need? We break down power gains, cost, sound, and whether upgrading in stages or buying the full system makes more sense.

Is titanium worth the extra cost? We compare weight savings, sound, durability, heat management, and real pricing between stainless steel and titanium exhaust systems.

Every component of the WRX and STI exhaust explained - headers, downpipes, cat-backs, and turbo-backs. What each upgrade does, what power to expect, and what supporting mods you need at each stage.

A deep dive into the DIXCEL M Type brake pad - how it compares to every other DIXCEL compound, who it's built for, and why it's the go-to choice for ultra-low dust daily driving on performance and ...

Which Blouch Dominator turbo suits your WRX or STI build? We compare the 1.5, 2.5, 3.0 XT-R and G2R series by power, spool characteristics, and the supporting mods each one needs.

Every modified fuel system vents hydrocarbon vapour to the atmosphere. A charcoal canister eliminates fuel smell, meets scrutineering requirements, and adds zero restriction. This guide covers how ...