It's 1984 and first Ghostbusters, Gremlins, Police Academy and Beverly Hills Cop are in theaters. And these amazing exhausts are in Mugen's lineup for Prelude, CRX and Civic!

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Check out this radical design on the City exhaust:

Here are all the parts you need to build your own Civic Si N1 racer! This awesome brochure is circa 1985.

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Bonus pic: The Mugen Civic Si demo car circa 1986. Mugen Sports exhaust, CF48 wheels, Sports Suspension kit and a set of Yokohama A001R tires. This was and very potent autocrosser and a blast to drive on the street!

** The following was sent in via our Facebook page by YAWSPORT -- thanks guys!! **

1984 Honda CRX built from the ground up for SCCA C-Street Prepared battles.

Mugen header, Mugen Limited Slip, all Mugen suspension bushings and engine mounts. The EW1 Si motor was meticulously blueprinted and balanced by King Motorsports. Other modifications include TWM individual throttle bodies, Electromotive Tech 2 engine management, YAWSPORT adjustable pan hard rod, YAWSPORT adjustable rear sway bar, custom camber/caster plates and 27.5mm front torsion bars, 13x9" Panasport wheels.

Nearly every part of the car was new, refurbished or modified. The entire uni-body was stripped, powder coated white, then all seam filler and undercoating reapplied. It scaled in at well below 1600 lbs with 3/4 tank of gas. It was complimented by many to be the cleanest, most thoroughly prepared autocross CRX's in the country and the car and its drivers accumulated numerous Regional, Divisional and National podium finishes from 1996-2001. This included an open class win at the 1998 SCCA Pro Solo finale and a second place finish in Open and Ladies class at the National Solo Championships in Topeka Kansas. The car is still alive and well with its new owner and the original King-built motor is still running as strong as ever.