The shop built a set using Icengineworks’ Pro Kit, which retails for $749.99 and includes 255 tube sections of varying angled and straight sections, more than enough to build a V8 header.

A leftover from its milder days, the '79 exhaled through 1 5/8-inch shorty headers, a 2 1/2-inch off-road X-pipe, and a 2 1/2-inch after-cat. With 393 ci and a 180hp-shot of nitrous, this Fox was ...

SECONDARY PIPE DIAMETER While typical off-the-shelf street 4-into-1 headers do not have secondary pipes, Burns' research has proven repeatedly that his Tri-Y designs make more overall power over a ...

For his new exhaust, Joe ordered a set of chrome long-tube headers (part number 1541) and catalytic H-pipe (1538) from BBK Performance. Shorter than the factory H-pipe, the BBK version adapts ...

Jeff Allen Two-stroke pipes look ­completely different. They begin with a slender header pipe just like that of a four-stroke, followed by a megaphone-like horn.

2015 Corvette Z06 with Kooks headers and X-pipe, Corsa performance exhaust and supercharger pully upgrade runs 750 hp and sounds louder and better than stock.

Additionally, there will be a maximum header pipe O.D. of 2.75 inches as well as the I.D. must remain constant beginning 8 inches below the header flange to the exit of the header (i.e. stepdown ...

If your socket just spins on the bolt, don’t panic! Go for a run on the bike to get it really hot, then when you get back leave it ticking over for 5-10 minutes. Compare and buy motorcycle ...

The 2.5-liter Subaru engine makes use of something called unequal length headers, which are exactly what they sound like. The header piping from cylinders one and three are of a different length ...

The hottest bikes seem to be V-twin and L-twin models where the top of the engine and/or header pipes are close to the rider and motorcycles with fairings that trap the heat and direct airflow on to ...