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Exhaust› Headers, Manifolds and Components

Killer B Motorsport

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt with SwainTech Ceramic Coating

$2,119.00 $1,959.77 Save $159.23

SKU: K005 HH-2BOLT-SWAIN

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Equal-length exhaust header made from thick-walled 321 stainless steel, Swain Coated for heat reduction. Features a cast 347 stainless collector, short equal-length primaries, symmetrical primary design, and smooth mandrel bends. Designed to optimize exhaust flow, reduce turbo spool time, and produce an aggressive exhaust note. Connects to a 2-bolt flange style up-pipe. Made in the USA.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandKiller B Motorsport
Part NumberK005 HH-2BOLT-SWAIN

Videos

Killer B & ETS Header Comparison For EJ Engines

Killer B & ETS Header Comparison For EJ Engines
THE STI GETS KILLER B HOLY HEADERS + UP-PIPE! (ELH BABY!) #Subaru #WRXSTI

THE STI GETS KILLER B HOLY HEADERS + UP-PIPE! (ELH BABY!) #Subaru #WRXSTI
Subaru Sti AWE Touring w/ Killer B Header vs OEM Header

Subaru Sti AWE Touring w/ Killer B Header vs OEM Header
Killer B Equal Length Header on Subaru WRX STI (GR)

Killer B Equal Length Header on Subaru WRX STI (GR)
2012 STi with killer B Motorsport Header & Invidia Cat-Back

2012 STi with killer B Motorsport Header & Invidia Cat-Back
My Subaru STi is now FBO! | Killer b Headers | Grimmspeed Up pipe | Turbosmart EWG install!

My Subaru STi is now FBO! | Killer b Headers | Grimmspeed Up pipe | Turbosmart EWG install!
500 HP S209 BUILD: KILLER B Holy Headers vs ETS SUBARU STI V2 MAXFLOW HEADERS - Ranger TS

500 HP S209 BUILD: KILLER B Holy Headers vs ETS SUBARU STI V2 MAXFLOW HEADERS - Ranger TS
Installing Killer B Headers- The HOLIEST of Headers

Installing Killer B Headers- The HOLIEST of Headers
WRX STI Revving Sound Killer B Equal Length Holy Header

WRX STI Revving Sound Killer B Equal Length Holy Header
Video test (ELH killer b header subaru sti)

Video test (ELH killer b header subaru sti)
2004 STi with Killer B Motorsport Holy Header, Killer B Motorsport EWG UpPipe and Prototype DownPipe

2004 STi with Killer B Motorsport Holy Header, Killer B Motorsport EWG UpPipe and Prototype DownPipe

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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