2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

zzp catless downpipe

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Old 05-10-2012 | 08:59 AM
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konartis91's Avatar
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From: Bridgewater
zzp catless downpipe

does anyone have a vid of a 2.4 woth a catless downpipe with stock exhaust or with stock exhaust with the muffler changed, i havent had much luck on youtube, also wats everyones thought on the sound/ the noise level with a catless dp
Old 05-10-2012 | 09:29 AM
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From: motor city
sounds horrible. please do not do it, for the sake of every driver that will come near you.
Old 05-10-2012 | 09:30 AM
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From: Fredericksburg, VA
Catless will be very loud and raspy. Search for catless LSJ's. They'll pretty much sound the same minus the blower of course. Use a high flow cat. Don't go catless unless you're doing a turbo build or something.
Old 05-10-2012 | 10:16 AM
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I have the 3" catless dp. Sounds like ****. Really raspy at certain rpms/engine loads.
Old 05-10-2012 | 04:42 PM
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From: nova scotia
Originally Posted by konartis91
does anyone have a vid of a 2.4 woth a catless downpipe with stock exhaust or with stock exhaust with the muffler changed, i havent had much luck on youtube, also wats everyones thought on the sound/ the noise level with a catless dp
You can't do catless since your from ns anyway. I have a highflow cat and downpipe connected to my stock exhaust and it sounded preatty good. I've since swapped out my stock muffler for a dynomax muffler and it sounds good as well.
Old 05-10-2012 | 05:56 PM
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From: Halifax, NS
Originally Posted by olivecj
You can't do catless since your from ns anyway.
I beg to differ haha.
Old 05-11-2012 | 11:27 AM
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From: nova scotia
Originally Posted by nobody2u
I beg to differ haha.
Really? How so? Unless you got a shady Mechanic whos gunna look past that lol. Plus no cat and your car sounds like ass anyway. a highflow cat is just as good and your car wont be as loud.
Old 05-18-2012 | 07:13 AM
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From: South Florida
i can upload my video, zzp boosted, catless with full stock resonator.....
rev without hitting boost sounds just like with cat.... or even hitting boost

i have raced ppl with muffler and loud exhaust and they think a hybrid is passing them.......

i did 3 vid all with zzp turbo
stock full exhaust
stock exhaust with over the axle change
stock piping+over the axle piping+lnf muffler (this one sounds kinda bad..... because the car is running with a vacuum leak, and missfire)

ask ItalianJoe, the car was a sleeper and fun to drive, no sound at all and the car will just pick up and move.
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