Kooks headers

[Chip13]

Just got my ‘22 Mach 1 back after installing 1 7/8” Kooks long tube headers with green cats. I have a Steeda X-pipe and stock exhaust beyond to the active mufflers. I was worried about being too loud in quiet mode but it absolutely is not. Even cold starts are reasonable. I believe the green cats provide enough sound damping to keep the total volume in check. The volume in all other modes is definitely louder but I only use those modes on the track anyway. Driving around town in quiet mode is perfect. And my neighbors don’t notice any added volume. I’m adding a Wengerd 93 tune later this week.

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[Mikepol2]

I think this is a mod that many people consider but are afraid because of the volume and cost. Good to hear your experience.

 

[2015 Silver GT]

I think this is a mod that many people consider but are afraid because of the volume and cost. Good to hear your experience.

And the fact they don’t provide much for gains.

 

[wingnutt]

And the fact they don’t provide much for gains.

…until you cave and add a blower

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