Lost wax processed on the GC8 [exhaust
manifold] on the gathering section and flange
is manufactured from various manufacturing methods combined
especially for mass production high quantity. But the flange,
bend sections & gathering section are finished off with
lost wax processing for superior quality.
The benefits of "Lost Wax"
(Smooth inner walls & killer looks)
EXPREME products are made from stainless steel SUS304 material.
It is light weight, has best resistance to corrosion, superior
in heat resistance, better exhaust race harmonics, helps
increase your cars value.
products are screened with strict quality control. Even
mass productions our QA levels are high to ensure the
best possible product that will be worthy of the TOMEI
brand name and guaranteed to meet & exceed all users
* Main Inspection Points
* Each Section Size
* Flange Quality
* No signs of burr or flash
* No signs of scratches or leaks
* Installation tested
* Weight is checked
* There are more inspection
points but each product has different extra points addressed.