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Old 10-11-2019, 06:18 PM   #1
JayCee.FA20
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Member#: 503018
Join Date: Jun 2019
Default Perrin header vs killer b header

I was trying to see the differences in power
Which brand gives the most power in an FA20DIT
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Old 10-11-2019, 06:51 PM   #2
WRXnick16
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Member#: 447898
Join Date: May 2016
Chapter/Region: BAIC
Location: W Sac, CA
Vehicle:
2016 WRX (traded)
2019 STI CWP

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It's unlikely that you'll find a direct comparison. Both are stock location, equal length, twin scroll headers. There will likely be little power difference given the similar design, but I'd wager that Killer B has the higher power potential.

Killer B hands down for their quality, engineering & support for the community... especially given the similar price.
  • Killer B is 321 stainless steel vs. Perrin's 304 stainless steel.
  • Killer B uses cast 321 SS collectors to improve longevity, flow & performance.
  • Killer B also offers the option for SwainTech coating which is highly recommended.
I know where I'd spend my money... now only if their EJ Holy header was a bit cheaper I'd pull the trigger

Which looks higher quality to you?

Perrin:


Killer B:


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Old 10-11-2019, 07:00 PM   #3
JayCee.FA20
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Member#: 503018
Join Date: Jun 2019
Default

Quote:
Originally Posted by WRXnick16 View Post
It's unlikely that you'll find a direct comparison. Both are stock location, equal length, twin scroll headers. There will likely be little power difference given the similar design, but I'd wager that Killer B has the higher power potential.

Killer B hands down for their quality, engineering & support for the community... especially given the similar price.
  • Killer B is 321 stainless steel vs. Perrin's 304 stainless steel.
  • Killer B uses cast 321 SS collectors to improve longevity, flow & performance.
  • Killer B also offers the option for SwainTech coating which is highly recommended.
I know where I'd spend my money... now only if their EJ Holy header was a bit cheaper I'd pull the trigger

Which looks higher quality to you?

Perrin:


Killer B:




All honesty the killer B welp, you literally made me make up my kind lol
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Old 10-11-2019, 07:00 PM   #4
JayCee.FA20
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Quote:
Originally Posted by JayCee.FA20 View Post
All honesty the killer B welp, you literally made me make up my kind lol


Mind*
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Old 10-11-2019, 07:16 PM   #5
WRXnick16
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Member#: 447898
Join Date: May 2016
Chapter/Region: BAIC
Location: W Sac, CA
Vehicle:
2016 WRX (traded)
2019 STI CWP

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Quote:
Originally Posted by JayCee.FA20 View Post
All honesty the Killer B welp, you literally made me make up my mind lol
You won't regret it. Are you going the internal or external wastegate route?

They just posted a recirculated EWG teaser in the FA20 sub-forum.

https://forums.nasioc.com/forums/sho....php?t=2910341
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Old 10-16-2019, 05:29 PM   #6
JayCee.FA20
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Member#: 503018
Join Date: Jun 2019
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Quote:
Originally Posted by WRXnick16 View Post
You won't regret it. Are you going the internal or external wastegate route?



They just posted a recirculated EWG teaser in the FA20 sub-forum.



https://forums.nasioc.com/forums/sho....php?t=2910341


All honesty by my funds, i will be going internal.
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