⚖️ Compare: AUTHORIZE R vs AUTHORIZE A-RM vs Class KR
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 |
AUTHORIZE R
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|
AUTHORIZE A-RM
Remove ✕
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Class KR
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|
|---|---|---|---|
| Brand |
FUJITSUBO GIKEN INDUSTRY
Japan
|
FUJITSUBO GIKEN INDUSTRY
Japan
|
KAKIMOTO RACING
Japan
|
| Category | 💨 Exhaust | 💨 Exhaust | 💨 Exhaust |
| Type | Aftermarket | Aftermarket | Aftermarket |
| Part number | 550-42441 | 260-15503 | — |
| Fitment | Mazda Roadster (MX-5) ND | Nissan Fairlady Z RZ34 VR30DDTT | Subaru Justy 4WD CVT |
| Reference price |
JPY 76,700
Price listed on kakaku.com (surveyed 2026-08)
|
JPY 173,305
Price listed on kakaku.com (surveyed 2026-08)
|
JPY 142,120
Price listed on kakaku.com (surveyed 2026-08)
|
| Official | Product page ↗ | Product page ↗ | Official ↗ |
| Where to buy |
Where to buy
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Where to buy
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Add more from Exhaust
3 selected. You can compare up to 4.
- ＋ FUJITSUBO GIKEN INDUSTRY AUTHORIZE A-RM+c
- ＋ FUJITSUBO GIKEN INDUSTRY VVV Exhaust
- ＋ FUJITSUBO GIKEN INDUSTRY AUTHORIZE A-K
- ＋ FUJITSUBO GIKEN INDUSTRY AUTHORIZE A-RM+c
- ＋ KAKIMOTO RACING Class KR H713145 (JQR certified)
- ＋ KAKIMOTO RACING Class KR
- ＋ FUJITSUBO GIKEN INDUSTRY AUTHORIZE A-R
- ＋ NISSAN MOTORSPORTS INTERNATIONAL Exhaust System
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.