Air filters are among the most important parts of any automobile. It is also one of the easiest components to swap with a performance-focused aftermarket part. Many companies claim that their air ...

A 2026 Ram owner installed a K&N cold-air intake, hoping for big power gains. Instead? An immediate engine error light and a truck stuck at 15 mph! Can a simple diagnostic reset fix this, or is "bad ...

The question posed in the title of this post is one that I’ve seen debated on the ‘net since discovering car-related email lists. Fortunately, a Duramax owner tired of the lack of scientific evidence ...

The K&N air filter offers a possible increase in power and longer air filter changing intervals. But the K&N air filter must be cleaned and oiled using a special procedure. When I purchased my 2002 ...

With marketing that includes a ‘million-mile warranty’ and ‘guaranteed horsepower and torque improvements’, it might seem like a K&N filter is an easy way to make any car better. And while they ...

It was sort of fulfilling a childhood dream to have a musclecar with a dual quad, and Project Track Attack has taken on a whole new life in the past couple of years. We converted it to a dual quad ...

ヨシムラの公式オンラインショップで K&N の新商品の受注がスタートした。今回登場したのは GROM（’21～22）に適合するエアフィルター「HA-1222（1万5,730円）」のほか、オイルフィルター「KN-651（690 DUKE）」「KN-117（CRF1000L他）」「KN-103（CRF250L他）」の計4種類 ...

Only a few years back it was fairly common practice amongst race car builders, running on asphalt tracks of one form or another, to install engines with open intakes in the carburetor. The customary ...