Headers?

Rusty · 08-06-2022, 06:07 PM

Quote:

Originally Posted by husam2012

ISR headers for budget, PPE headers for the best performance.

Z1 headers are also similar in performance and sound to the PPE headers as they're equal length.

FI LTHs are junk IMO, unequal length and not the best for performance. I have them currently on my car after swapping out the Z1 headers I had. Car lost power and started sounding like **** with the FI headers.

Swapping to PPE headers next week.

PPE headers got some QC issues lately. Hope they have it fixed. The headers at the collectors don't hang evenly.

I made 334HP and 279 torque with FI lth's.

I rank the PPE and the FI the same. Followed by the Z1 shorty's and the ISR together.

husam2012 · 08-06-2022, 10:13 PM

Quote:

Originally Posted by Rusty

PPE headers got some QC issues lately. Hope they have it fixed. The headers at the collectors don't hang evenly.

I made 334HP and 279 torque with FI lth's.

I rank the PPE and the FI the same. Followed by the Z1 shorty's and the ISR together.

I personally haven't seen any QC issues from the ones I've installed from PPE. They're both equally good in the quality department but the PPE is leagues ahead at power since it's actually equal length. You can tell the difference from the sound alone. Lost ~10whp going from Z1 headers to FI and the car sounds horrible now.

Got a set of PPE headers ready to go on, I'll report back once I install it with dyno numbers.

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