⚖️ Compare: T4 exhaust manifold, RB25/30DET (DOHC) vs Class KR H713145 (JQR certified) vs Exhaust System vs AUTHORIZE A-RM+c

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 T4 exhaust manifold, RB25/30DET (DOHC) (schematic) T4 exhaust manifold, RB25/30DET (DOHC) Remove ✕ Class KR H713145 (JQR certified) Class KR H713145 (JQR certified) Remove ✕ Exhaust System (schematic) Exhaust System Remove ✕ AUTHORIZE A-RM+c (schematic) AUTHORIZE A-RM+c Remove ✕
Brand 6boost
Australia
KAKIMOTO RACING
Japan
NISSAN MOTORSPORTS INTERNATIONAL
Japan
FUJITSUBO GIKEN INDUSTRY
Japan
Category 💨 Exhaust 💨 Exhaust 💨 Exhaust 💨 Exhaust
Type AftermarketAftermarketOEMAftermarket
Part number —H713145——
Fitment Nissan RB25DET / RB30DET (DOHC head)Honda CivicNissan Note / AuraSuzuki Swift Sport CBA-ZC33S
Reference price JPY 157,822 – 183,750
6boost official store, listed price (varies with wastegate flange and other options): A$1,400–1,630 (2026-09) at 112.73 JPY/AUD (MUFG TTS 2026-09-16); excl. shipping, duties, tax
JPY 198,968
Price listed on kakaku.com (surveyed 2026-08)
JPY 48,620
Price listed on kakaku.com (surveyed 2026-08)
JPY 78,160
Price listed on kakaku.com (surveyed 2026-08)
Official Product page ↗ Product page ↗ Official ↗ 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.