Покрыт черным керамическим покрытием с "завода". У гриммспид эта опция платная (см. ссылку).
Сделано отверстие под иглу EGT.
От производителя:
Performance
Flow Bench Results vs. OEM at 28" WC
OEM Catless - 244.6 CFM
OEM Catted - 164.7 CFM
GrimmSpeed - 292.6 CFM
Spool Up
Application specific but generally you will see 300-400rpm quicker spool up
HP Increase
Application specific but generally you will see 8-10HP increase
Quick Specs
Flex Joint - 321 Stainless Steel "Tuned-Bellow"
Tubing Thickness- 14 Gauge Piping Thickness - 33% thicker than most competitors
Pipe to Flange Connection - Cut-Back flange allows much smoother connection. Piping is ported flush with flange so there is no step into the pipe.
Flanges - 1/2" 304 Stainless Steel CNC Milled - All 3 sides are milled for precise tolerances in manufacturing
Increased HP by ~10hp
Reduce turbo lag
Вот такой:
http://www.grimmspeed.com/up-pipe-wrx-sti-lgt-fxt/
Фото:





Цена: 170 долл.
Тел. 066-ЧЧЧ-Ч7-22, Юра.