2.2 Question
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Senior Member
Joined: 06-19-2006
Posts: 106
From: orlando
2.2 Question
Ok i'm new to this HHR thing I just bought myself a HHR LS now the T924 muffler is that any good did you all feel the diff. after putting it on snd the airaid intake did anyone feel the diff. in that mod. please reply thank you
Senior Member
Joined: 05-23-2006
Posts: 1,082
From: Chandler, AZ
I put a T 909 Turbo on our LS ( It's a little better fit than the T 924 on an LS), but I can't really say there's any change in performance because my Wife drives it!
I do like the way it sounds though.
And, from what I've read on the Forum, if you want something a bit louder you could go with a Magnaflow Muffler.
Senior Member
Joined: 05-23-2006
Posts: 1,082
From: Chandler, AZ
It's been quite a while since I put the T 909 on, but if I remember right, the tailpipe on the 2.2 is 2 1/4 in., and on the 2.4 it's 2 1/2 in.
Thread Starter
Senior Member
Joined: 06-19-2006
Posts: 106
From: orlando
Senior Member
Joined: 05-23-2006
Posts: 1,082
From: Chandler, AZ
Yeah, that's right! That occured to me after I had gone to bed last night. Those numbers didn't sound right after I thought about it 
The actual tailpipe size on the vehicles are 1 3/4 in. on the 2.2, and 2 in. on the 2.4. That's why I said the T 909 was a little better fit on an LS. Only have to swedge 1/4 in. instead of a 1/2 in. 
Incidently, I also put a T 909 on the '96 Altima that I use, and that does feel more peppy and responsive to me, besides sounding cool.
Thread Starter
Senior Member
Joined: 06-19-2006
Posts: 106
From: orlando
Yeah, that's right! That occured to me after I had gone to bed last night. Those numbers didn't sound right after I thought about it The actual tailpipe size on the vehicles are 1 3/4 in. on the 2.2, and 2 in. on the 2.4. That's why I said the T 909 was a little better fit on an LS. Only have to swedge 1/4 in. instead of a 1/2 in. Incidently, I also put a T 909 on the '96 Altima that I use, and that does feel more peppy and responsive to me, besides sounding cool. 
New Member
Joined: 09-09-2007
Posts: 21
From: NY
mines a 08,i disconnected exhaust from cat con, made 5 runs 0-60,0-100 ,and quart mile ,no difference from 5 stock runs. sounds faster though, in 2.2 i guess exhaust is not that restrictive. so i just removed muffler in back and put a straight pipe on,yes its noisy. mods that work are airraid intake, and oddly EF-1 pulstar plugs. lighten the load, no jack spare ,rear shelf, mobil 1 syn, lighter borbet wheels, im running to 60 in 8.3 seconds, from a 9.1 stock time. 06 models are slower to 60 around 10 secs, ,also have 6 less HP.hhrs need all the extra oomph they can get, big trick is put autos only,transmission in I drive and floor it they will miss gms 106-108 speed gonernor. i track tested this, wish ither gm cars would do same
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