⚖️ Compare: Class KR vs AUTHORIZE A-RM vs Exhaust System

Put the parts or tools you picked side by side and compare the brand, specs, reference price band, official page and where to buy.

Item Class KR (schematic) Class KR Remove ✕ AUTHORIZE A-RM (schematic) AUTHORIZE A-RM Remove ✕ Exhaust System (schematic) Exhaust System Remove ✕
Brand KAKIMOTO RACING
Japan
FUJITSUBO GIKEN INDUSTRY
Japan
NISSAN MOTORSPORTS INTERNATIONAL
Japan
Category 💨 Exhaust 💨 Exhaust 💨 Exhaust
Type AftermarketAftermarketOEM
Part number —260-15503—
Fitment Subaru Justy 4WD CVTNissan Fairlady Z RZ34 VR30DDTTNissan Note / Aura
Reference price JPY 142,120
Price listed on kakaku.com (surveyed 2026-08)
JPY 173,305
Price listed on kakaku.com (surveyed 2026-08)
JPY 48,620
Price listed on kakaku.com (surveyed 2026-08)
Official Official ↗ Product page ↗ Official ↗
Where to buy
About these figures. Reference prices are from the time of our survey, with the source under each one. Always confirm fitment and current prices on each maker’s official site.