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exhaust

  1. Aftermarket Exhaust

    Install Guides/DIY
    Still running the stock exhaust on my 2010 cobalt 2.2 L . I´m looking for an exhaust that will add a nice clean sound. Nothing too loud but something that will add a more sporty / not mail truck sound. Will this affect performance at all by increasing airflow? or will it not make a difference...
  2. 2.2 LAP Mod Suggestions?

    Engine Mods
    I have a 2009 2.2 LAP auto trans cobalt. I ordered a tsudo catback Exhaust and an Injen CAI. Intake is in but still waiting on the the exhaust. I was unsure about what to buy initially but some digging and research and I eventually found that ordering cheap parts off of amazon wasn’t the best...
  3. ZZP/Megan Racing/Tsudo Differences?

    Forum FAQ's and How-to's (READ FIRST)
    Obviously everyone has their preferences on exhausts, and pricing and quality very quite a bit. I've seen plenty of "what exhaust do you PREFER threads" but what I am curious in is the objective differences between ZZP, Megan Racing, and Tsudo catbacks. I plan to put a new catback on my 2007...
  4. Oxygen Sensor Questions

    Problems and Service
    I know this question has probably come up a million times but I haven't found anything on it. So I recently had to replace the flange on my exhaust. I took it off the car and welded an aftermarket piece on that uses mesh instead of the flex. Now, I am getting a p0141 and a P0036 also when I come...
  5. 2.2L Bolt on Header?

    Headers
    I have my 05 cobalt with a 2.2l and recently bought a shorty header and 2.5" down pipe from zzp. Well i took the header to get it installed and it doesnt fit even though it clearly says on there site it fits the 2.2.:evil: Anyway its going back and i was just wondering if anyone knows of a...
  6. Wanted: ZZP Exhaust Parts

    Wanted (Car Related Only)
    Name: Patrick Location: Oklahoma, USA Contact Information: Private Message I'm looking for the following parts: ZZP Midlength Header & Downpipe - Auto transmission size; 1.5" primaries; Catted (200 or 400 Cell) ZZP Catback - 2.5" with resonator ZZP Throttlebody Wire Adapter - (6 pin to 8...
  7. Exhausts from EBay?

    Engine Mods
    Over the winter I acquired multiple leaks in my stock exhaust on my 06 LT. Was looking around on the net for a new exhaust, and stumbled upon this 3.5" MUFFLER TIP SS CATBACK/CAT BACK EXHAUST 05-07 CHEVY COBALT LS/LT/LTZ 2.2L on eBay. Just wondering if anyone has bought or knows someone who has...
  8. Cheap Exhaust Options?

    Engine Mods
    I'm looking for a cheap way to mod my exhaust. Hoping for just a little more sound. I've thought about a muffler delete but not sure how it'll sound, thought about a glasspack but having the same issue. Also thought about going catless on my stock dp, again, not sure how that'll sound. Has...
  9. For Sale: ZZP 2.5in Catless Downpipe W/ O2 Bung

    For Sale (Car Related Only)
    Name: John Location: Hazlet, NJ Contact Information: 7328329686 Description of item/items: barely used ZZP 2.5in Catless Downpipe w/ O2 Bung No rust whatsoever Price: $100 OBO + shipping please shoot me a text or call for any questions or offers because I'm no longer active on this forum. I...
  10. Exhaust Bolts?

    Problems and Service
    Hello all I am fairly new to the forum and also cars. I recently purchased a new cat back off of ebay for my 2005 LS Sedan. I have been trying all day to take the bolts off next to the resonator. And sweet bajeezus they are hard to get off. I have tried warming them up with a lighter and also...
  11. 2010 2.2 Exhaust Second Opinion?

    Engine Mods
    Hey, i've been on the site for a while but this is my first post so.. Hi! :smiley-greet013: I'm doing a total exhaust overhaul and wanted your guys' opinion. I've got a 2010 LT Auto engine. I'm looking for something that will give decent performance (I know it probably wont be too much) and a...
  12. A Few New Mods This Week

    Interior & Exterior Styling
    I had a little extra time the last few days and finally got around to finishing my debadging and side molding removal as well as some much needed rust repair. I figured I would post a few pics seeing as I haven't posted anything since before my decals and muffler install. Now I just need to...
  13. Muffler Options

    Engine Mods
    I have a 2.2 LS and I'm looking into swapping to an aftermarket muffler, but keeping all my other exhaust components stock. I'm not looking for performance since I'm aware that the only thing to do to make the LS perform good is adding a turbo or SC. All I'm looking for is a little bit louder...
  14. Exhaust Gas Smell /Vent Solenoid

    Problems and Service
    I have a 2006 Cobalt LS Auto store said I had a vent solenoid bad. I changed the gas cap cause it was worn out. Now it has gas fumes coming from the exhaust. I wanted to try putting the old gas cap back on but I've already tossed it. Thanks for any help you can give. What I've done...
  15. Replacing Timing Chain, Could Use Some Help

    Problems and Service
    I'm in the middle of a timing chain replacement. I've been using ff drift lol 's very helpful post in the diy section. Ive got 2 questions 1. At tdc compression stroke (with the orig. chain that is working) the cam sprockets are the opposite of what I read they should be. Meaning on the...
  16. Exhaust Setup Question

    Engine Mods
    Does anybody know how much of a difference swapping the muffler on the stock exhaust would make? I know it won't make much of a difference, if any, on the performance side, mainly just wondering about sound. I have a K&N SRI on it now, but the exhaust is completely stock. Anyone have any idea...
  17. Which DP Would Be Best?

    Engine Mods
    I am wanting to put a ZZP DP on my 06 NA Cobalt, I am currently running a stock exhaust with a K&N SRI but plan on eventually upgrading to a better sounding catback system too when money will allow it. I'm just wondering if it would sound better with a catless DP or a catted DP. I live in...
  18. Any Exhaust Systems That Are Quieter?

    Engine Mods
    I am interested in replacing my current stock exhaust on a 2010 4-door LT. Are there any options that are not really loud? I would rather have something somewhat low-key considering the car, as is, is not particularly fast. Not trying to announce to the world my entrance every where I go...
  19. Dual Exhaust Options?

    Engine Mods
    When I bought my 2006 LS Coupe it had a rear bumper with dual cut-outs and it has tips on both the cut outs, but only has a pipe running to one side. It looks goofy and I'm not too sure I like it. I see lots of videos on YouTube of custom dual exhaust systems, but I called several shops in the...
  20. HELP! What Does This Noise Mean?

    Problems and Service
    I've had this car for a few weeks and just noticed this noise. It sounds like if you tapped 2 pennies together over and over. Seems to be coming from somewhere around the air filter. Doesn't SEEM to increase with pressing the gas pedal. Just steady ticking. Maybe its just an exhaust...
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