HKS Summer Exhaust Campaign! ~Aug 27
We have another summer campaign for you! This time 6% discount on ALL HKS exhausts!

Coupon Code: HKSEXCampaign2025
Offer valid until August 27th 08:30 AM JST
HKS Exhaust Muffler Campaign ~Aug 28
Hello from the RHDJapan blog. It is that time of year again when the campaigns start to heat up. We are proud to announce the first of many campaigns that will be listed on HKS products. Get an additional discount for the whole muffler lineup from HKS!



HKS Exhaust Muffler Campaign ~Aug 30
Hello from the RHDJapan blog. We are proud to announce another campaign which will be ongoing for the whole summertime. Get an additional discount for the whole muffler lineup from HKS!
HKS Exhaust Muffler Campaign ~Aug 31
Hello from the RHDJapan blog. We are proud to announce another campaign which will be ongoing for the whole summertime. Get an additional discount for the whole muffler lineup from HKS!