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No. That's not how heli-coil works. It's not going to allow better torque of studs, as it's not very tightly attached to the bored hole you have to drill to insert the heli-coil.
Heli-coil falls under the category of compression fittings: absolute junk that actually takes longer and costs more than doing it the right way.
It is always better to drill a stripped thread one size larger. New threads are always preferable to inserts, ESPECIALLY on exhaust, where sealing is critical.
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2011 Roketa MC-23-150
4T 150cc 157 qmj
24mm carb w 115 main jet and paper cone air filter
Manual petcock w Tygon fuel lines
Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust
RED spring clutch
Adjustable CDI (brand unknown, it's blue and red and works great!)
KOSO high performance variator w 12g sliders
Gates Powerlink 835-20-30 belt
GPS verified 65mph on flats.
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