Description
HKS LegaMax Quad Exhaust for WRX VB (hks31021-AF026)
【 Features 】
By changing the pipe diameter from 74.7mm to 60.5mm x 2 to 45mm x 4, the straight
structure achieves low exhaust pressure while reducing unpleasant exhaust note, thus
improving both performance and sound quality.
Symmetrically arranging the 4 silencers and the beautiful 98mm titanium tail creates a muffler
that is not only powerful in the rear view but also visually appealing when the vehicle is lifted up.
This exhaust system produces a pleasant bass sound at normal revs and a sporty sound when
the accelerator is depressed.
[ Product specifications and sound quality ]
By changing the pipe diameter from 74.7mm to 60.5mm x 2 to 45mm x 4,
both low exhaust pressure and sound deadening effects are achieved.
In addition to the pipe diameter, the expansion pipe, resonance pipe and
muffler have been adjusted appropriately to bring out the boxer engine's
character, emphasizing the unique low sound while creating the image of
a sound quality with a dry high sound when the driver steps on the engine
[ Product refinement and precision ]
Development began with the concept of an exhaust system that prioritizes three key aspects:
performance, sound quality, and appearance.
By incorporating a longer pipe length, a departure from the conventional design, we
successfully minimized muffled sounds and accentuated a sporty high-frequency tone around
500 Hz. Additionally, utilizing four 45 mm pipes enhances the cross-sectional area, thereby
improving both performance and sound quality.
Attention to detail was paramount in the design of the rear view. A symmetrical four-pipe
cannon configuration, strategically positioned hook and bracket protrusions, and an
intermediate pipe layout engineered to maximize floor space utilization were implemented.
This meticulous design ensures minimal ground clearance while delivering a striking quad-tip
appearance.
