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321 Stainless Holy Header 2-BoltHH 2BOLT The Killer B Motorsport Holy Header was developed using state of the art CAD software & simulations to determine optimal design to increase power as much as possible throughout the rev range. Short as possible primaries with a single secondary significantly decrease header volume allowing exhaust gas pressure to build quickly. Symmetrical 4 1 design maintains high and consistent exhaust velocity as RPMs rise. You can expect faster spool up

Product Description

The washers are anodized black for a lasting finish and printed with the PERRIN logos

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The wire-reinforced black silicone coupler is sealed on either end with black anodized clamps for a very sleek install

The COBB Ford Fiesta ST FMIC system is the single best bolt-on modification for the platform

What’s important is the trend and as you can see

Other titanium cat-backs can produce a certain 'tinny' exhaust note

Billet Aluminum Mount

HH-2BOLT-EGT

The piping is mandrel bent aluminum and finished in wrinkle black powder coat to keep the engine bay tidy

more accurate launches for drag racing and auto cross type events where you do not want drivetrain slop

The COBB 2-way Adjustable Front Anti-Sway Bar for the Subaru is the easiest way to improve handling balance