Pay in 4 interest-free payments of $81.25 Learn more
Ships within 48 hours · Estimated delivery Oct 31 - Nov 5
ZM3-HDG4 kit features ACT's most popular Heavy Duty pressure plate
while simultaneously ramming more air into your engine
330lb Lashing Capacity
Gains +51 hp and +68 lb-ft torque
BBK 87-93 Mustang GT Cat Back Kit Varitune Mufflers - Aluminized turn downs 2016-porsche-panamera-base-esi5380447 ZM3-HDG4 kit features ACT's mostBBK Varitune cat back exhaust systems feature BBK Varitune mufflers that have a patented adjustable power valve inside that allows full adjustment of the exhaust flow through the mufflers chambers for a great sound and added performance. This adjustment is made at the rear of the muffler with a wrench by either moving the valve in or out. Once you are happy with the level of sound, it is locked in place with the Varitune locking nut. All of the
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