Wheel studs are one of those parts that most owners never think about until a specific situation forces the question, adding wheel spacers, running wider wheels, or preparing for track or drag…
Shift feel on a 2015-2019 Subaru WRX suffers from two distinct kinds of slop, and most owners looking to fix it only address one before realizing the other is still there. The…
A stock brake pad on a modified Subaru WRX runs out of margin faster than most owners expect, especially once power, weight from added parts, or more aggressive driving enter the picture.…
The Honda Civic Type R has earned a genuinely strong reliability reputation, owners regularly report 90,000, 130,000, even 170,000 plus miles on original clutches and original turbos with no major powertrain failures.…
The Honda Civic Type R is knock limited on pump gas straight from the factory, meaning the engine cannot safely use its full design potential on 91 or 93 octane alone. E85…
Honda’s factory boost target for the Civic Type R is commonly cited around 23 PSI, but ask ten owners what their car actually shows on a datalog and the answers spread widely,…
The factory MHI turbocharger on the Honda Civic Type R is genuinely well matched to the car as delivered, responsive spool, minimal lag, and enough airflow to support the factory power output…
The factory clutch on a Subaru STI has a reputation for being tougher than most people expect, and that reputation is largely earned. Owners regularly report holding well past 400 wheel torque…
Most STI builds never need to look past a Stage 1 or Stage 2 clutch. Once a build pushes into serious power territory, particularly with track or strip use in the mix,…
The K20C1 in the Honda Civic Type R has earned a reputation as one of the stronger factory turbo engines Honda has ever built, and the real-world evidence backs that up. But…
On paper, the FK8 and FL5 Honda Civic Type R look like a modest update, a few more horsepower, a slightly bigger footprint. On the track, the gap is anything but modest.…
The factory shift linkage on a Subaru STI relies on a soft rubber bushing at the anchor point of the shifter assembly, and that bushing is one of the more overlooked sources…
Not every fuel system upgrade needs to be built around E85. For WRX and STI owners running gasoline and looking for a straightforward, cost effective pump upgrade over the factory unit, the…
More power always means more heat, but the point where cooling actually becomes a limiting factor is not the same for every build. A mild bolt-on car and a big turbo E85…
The whoosh sound of a blow off valve is one of the most recognizable signatures of a modified turbo car, and it is easy to assume that sound comes with a real…