Help: Headers vs High flow cats for 2018

[GregO]

Or just go with hugh flow cats and keep atak 3.

Why do you keep gravitating towards high flow cats if you’re allowed to run the car without cats ?
I’m just the layman here but if your goal is endurance racing up to 170 mph then run cat delete pipes connected to the OEM 5.0 headers.
Why take any chances on a cat failing during a race.
If high dB is an issue I’d strongly suggest you stay far away from the suggested X-resonator.

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[K4fxd]

That link is to catted pipes

 

[Flyhalf]

That link is to catted pipes

Yeah just to tell the brand.

Greg
Just ordered headers. No cats. I don't do enduramce racing. 2018 cannot sustain it. Unfortunately. My car is built for time trials

 

[GregO]

That link is to catted pipes

Yup, my bad. Looks like the EPA Brown Shirts spooked MAK and they removed the cat delete

 

[GregO]

Just ordered headers

What brand and primary size if you don’t mind me asking ?

 

[Flyhalf]

1 7/8 LTH.

 

[Flyhalf]

Why do you keep gravitating towards high flow cats if you’re allowed to run the car without cats ?
I’m just the layman here but if your goal is endurance racing up to 170 mph then run cat delete pipes connected to the OEM 5.0 headers.
Why take any chances on a cat failing during a race.
If high dB is an issue I’d strongly suggest you stay far away from the suggested X-resonator.

By the way why not the borla resonator?

 

[GregO]

By the way why not the borla resonator?

I’ll shoot you a PM sometime later today.
The Borla is an H style resonator my reference was to the X style resonator.

 

[LOL WUT]

1 7/8 LTH.

Great choice! You won’t be disappointed.

 

[Nemesis_FTW]

Looking for an "off road" header. Stainless Power has the O2 sensors angled so they won't foul out from E85. https://www.lethalperformance.com/s...th-3-off-road-lead-pipes-factory-connect.html

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