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Pipe diameter? 1+7/8 or 2"
Length? 26"-30"
What are they made of? 321 SS is way better than 303 or 304 stainless.
Real merge collectors :: https://burnsstainless.com/blogs/art...rge-collectors
I did a few searches with no luck. Give the guys 3 weeks AFTER they receive a C8 to "play" with.
Because these flow so good as is, hopefully the aftermarket will invest in American made income or titanium since you can’t really pick up much flow but you could drop a lot of weight or look cool.
There are aftermarket headers being developed now. Magnaflow and another company have prototypes on C-8s running tests. There is a video on one of the prototypes on the dyno. Sounds awesome!
Looking at the pictures what will it take to change plugs??
Done from underneath. Pop off the underbody flat floor (about 25 retained fasteners, I've read), and they are easily accessible from underneath. Along with belts, alternator, coils, water pump.
Also, plugs are supposed to be good for 125K miles, so most owners will never have to worry about them.
Last edited by Red Mist Rulz; Apr 7, 2020 at 08:38 PM.
^^
Thanks for info. Looking at this pic, 25 fasteners sounds about right for those right of the center section.
FWIW, thought Tadge's comment on the Autoline interview was interesting. Where the underbody sections are thin, designed just for Aero, the center section with the shinny visible bolt heads is also structural. It creates a ridged box center structure providing some of the chassis stiffness. He mentioned it as one reason for the C8 weight as it's made from 5 mm thick aluminum and the bolts join it to the "U" shaped upper structural making a box! In the leaked C8 hybrid info it will also hold the battery and battery AC cooling!
