Will thia work for my 99 s10 manual transmission?

I have used it in my 98 S10 with the nv1500 5 speed. Worked fine .

I will be replacing the Pensoil Syncromesh in my Jeep Wrangler with the NV3550. Will this be safe to use?

I don't have a Jeep, but the Royal Purple Synchromax fluid is specifically designed to replace all Synchromesh applications so as long as your Jeep's NV3550 calls for Synchromesh (which I think it does) then you should be fine. Synchromax would be a good upgrade.

Anybody try this in sonic with a 1.8 5 speed? Thanks

I'm sure the trans in a sonic is Korean made and I use it in my Honda civic si and it made my shifts smooth and precise

Will this work in a 2014 mustang manual?

There is a tool on the Royal Purple website: you enter your make and model (and year) and it shows you all the recommended products for your car (engine, transmission, transfer case, differentials, etc.)

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🛠️ Power your drive with Royal Purple’s elite Synchromax formula!

COMPACT PORTABLE - Sleek 1-quart (32 oz) size fits perfectly in your toolkit or garage shelf.
PRECISION VISCOSITY - Optimized viscosity level 1 ensures smooth, efficient transmission performance.
UNMATCHED DURABILITY - Engineered for maximum wear resistance to extend your machinery’s life.
EFFORTLESS MAINTENANCE UPGRADE - Ideal for professionals who demand reliability and peak performance.
TRUSTED AMERICAN CRAFTSMANSHIP - Manufactured in the USA with rigorous quality standards for peace of mind.

Royal Purple ROY01512 Synchromax is a premium 1-quart transmission fluid designed to provide superior wear protection and optimal viscosity for enhanced machinery performance. Proudly made in the USA, this lightweight, compact bottle is perfect for professionals seeking reliable, high-quality maintenance solutions.

€ 49.40

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Manufacturer	Royal Purple
Brand	Royal Purple
Model	1512
Product Dimensions	10.16 x 5.08 x 2.54 cm; 453.59 g
Item model number	ROY01512
Manufacturer Part Number	1512
OEM Part Number	01512
Item Weight	454 g
Viscosity	1

Royal Purple-ROY01512 ROYAL PURPLE SYNCHROMAX QT. TRANSFLUID, 1 Quart (32 Ounces)

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