No, a factory Subaru engine block cannot be turned into a closed deck with bolt-on parts or a home shop job. IAG builds its closed deck blocks by machining new Subaru case…
For a mostly street-driven Ford Focus ST, lowering springs are the budget choice at about $395 to $439, while coilovers cost roughly three times as much at about $1,089 to $1,195 and…
The Perrin 2.4 inch turbo inlet hose replaces the pleated factory inlet on a 2004 to 2021 STI, a 2002 to 2007 WRX, or a 2004 to 2008 Forester XT with a…
The best first upgrades for a 2022 and newer Subaru WRX (FA24) are a COBB drop-in air filter, fresh COBB spark plugs, and a COBB Accessport tune, followed by a COBB flex…
For a 2013 to 2018 Ford Focus ST, the Borla S-Type is the mildest and most refined catback, the COBB 3 inch stainless system is the drone-free choice built to pair with…
The most effective brake refresh for a 2004 to 2007 STI replaces three parts at the same time: Goodridge stainless steel lines for a firmer pedal, Hawk HPS 5.0 pads for stronger…
A Focus ST owner who mainly wants less wheel hop and better traction should start with the Torque Solution rear engine mount at about $133, while an owner replacing worn mounts or…
For a manual transmission 2008 to 2021 STI or 2008 to 2014 WRX, the Mishimoto Performance radiator is the best value, the Mishimoto X-Line adds a thicker three row core for harder…
ARP head studs become necessary on a 2002 to 2012 WRX or STI once boost or power targets move meaningfully past stock levels, since factory head bolts are not rated to keep…
For a 2013 to 2016 Ford Focus ST, the SPEC Stage 1 clutch kit paired with the SPEC aluminum flywheel it requires is the best fit for a street car with light…
The 2017 to 2021 Honda Civic Type R (FK8) makes 306 horsepower and 295 lb-ft of torque from a turbocharged 2.0 liter K20C1 four-cylinder, and it weighs about 3,117 to 3,121 pounds.…
The best first upgrades for a 2023 and newer Honda Civic Type R (FL5) are a COBB silicone radiator hose kit, a COBB drop-in air filter, a Cusco front strut tower bar,…
The COBB AccessPORT V3 lets a Focus ST owner load a custom tune, monitor real time engine data, and read or clear diagnostic codes, all through one handheld device that plugs into…
Five small COBB parts under one hundred dollars each address specific failure points that turn into bigger, more expensive problems if left alone: an intercooler isolator bushing, a throttle body coupler, a…
COBB is known for the Accessport, exhausts, and turbo hardware, but the brand also makes a set of small, inexpensive parts that finish the details those bigger purchases skip entirely. A silicone…