STOOGESPERFORMANCE

Will the cobalt hard pipe innercooler kit work on an auto HHR SS. Also is there a list of what is compatible and not between the 2. I am a Newbie.

mistermike

Cobalt SS has a completely different plumbing setup than HHR

JJ's BLACK SS

there is a small difference i think because of the air intake placement on the cobalt vs the hhr

JoeR

No, there is a HUGE difference!!

Even though the HHR and Cobalt share the same basic platform, at the front end there are considerable differences in available space. Pull each up to one another and take a look.

moonsign

According to Josh at OTTPerformance, their setup for the Cobalt will work on the HHR-SS. Give them a shout and ask them about it. "Moon"

JJ's BLACK SS

that is why on the hhr there is a flat spot in the piping that pipe is the same as a cobalt. the flat spot is to clear the hood

bartSS

if you do regular piping that goes on the side of the motor it will fit!!!

Jaxon

if you do the performance piping the hotside will not work, also I hear there are fitment issues on the auto hhr ss, 1" iirc. same with the downpipe. the cobalt and hhr 5spd have the same part number on the intercooler piping from what I've read. some people have fit the piping on autos but its been very tight and hits in some places.