Royal Purple 18001 Max-Restore High Mileage Fuel System Treatment - 6 Ounce
- RESTORES FUEL ECONOMY – Increased fuel economy by an average of 6% vs. dirty injectors
- LOWERS EMISSIONS – Cleaned injectors improve combustion, reducing CO, NOx, and unburned hydrocarbons
- INCREASED RELIABILITY – Provides wear protection in the combustion chamber & reduces damage caused by high-ethanol fuels
- MAXIMIZED DEPOSIT REMOVAL – Required injection time reduced over 70% vs. dirty injectors (normalized to new injectors)
- EPA and CARB COMPLIANT – safe and legal for use in all 50 states
Mubboo Value Score: 5.8/10
How it stacks up
Rated 4.8/5 — better than 100% of 53 Fuel Additives we track. Budget-tier pricing at $8.88.
Head-to-Head vs Category Leader
| Royal Purple | Lucas Oil (Leader) | |
|---|---|---|
| Price | $8.88 | $9.89 |
| Rating | 4.8/5 | 4.8/5 |
| Reviews | 79 | 24,615 |
| Mubboo Score | 5.8/10 | 9.0/10 |
The Royal Purple 18001 Max-Restore High Mileage Fuel Syst offers comparable quality at 10% lower price.
Quick Specs
- Size
- 6 Fl Oz (Pack of 1)
- Unit Count
- 6.0 Fluid Ounces
- Part Number
- 18001
- Manufacturer
- Royal Purple
- Model Number
- 18001
- Item Type Name
- High Mileage Fuel System Treatment
- Number of Items
- 1
- Customer Reviews
- 4.7 out of 5 stars
What reviewers say
Synthesized from 40 reviews · 100% verified purchases.
For maximum cleaning power, choose a product with high PEA content like Red Line SI-1 or Chevron Techron, but expect to use multiple treatments for severe deposits. For long-term storage, use a dedicated stabilizer such as STA-BIL or Star Tron to prevent gum and starting problems.
Rating reliability
About Royal Purple
- 17 products in our database
- Average rating: 4.8/5 across all products
- Price range: $6.48 – $123.99
- Categories: Fuel Additives, Motor Oil
Other Fuel Additives
Frequently Asked Questions
Is the Royal Purple Royal Purple 18001 Max-Restore High Mileage Fuel System T worth buying in 2026?
It earns a Mubboo Score of 5.8/10, with a 4.8/5 rating from 79 reviews — better than 100% of Fuel Additives we track.
How much does the Royal Purple Royal Purple 18001 Max-Restore High Mile cost?
It is currently $8.88 — budget-tier pricing for Fuel Additives.
How does it compare to the top-rated Fuel Additives?
The Royal Purple 18001 Max-Restore High Mileage Fuel Syst offers comparable quality at 10% lower price.
Sources & References
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