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Ses pas compliquer ses de toute beauter toute est bien fait super de bon produit de qualiter good job guys

Cobalt 2.2 LTZ Sedan
Glad I installed downpipe made a noticeable difference in acceleration and sounds good not too loud. Also got rid of rough idle issue I was having after installing CAI. Removing stock exhaust bolts was a challenge almost gave up. Ended up using 1/4" impact with adaptor for 1/2" socket and PB Blaster. Impact won't break nuts loose or snap them off but vibration seem to let the blaster work in enough to do it's job. Then used long extensions and 1/2" ratchet to remove nuts. New pipe fit in perfectly 10 minutes to install and no leaks or check engine light. New gaskets from local auto parts store.

Sounds great with my current setup.
This was not too hard to install granted i had my resonator back done via weld beforehand so i had to weld this in. And does this make my car just cone together, i have full bolt ons but the exhaust alone is just great sounding.

2.2 downpipe
Love the sound and fitment, had to relocate upstream O2 sensor to the header but otherwise love it.