Muffler shop exhaust
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On The Tree
Joined: Mar 2008
Posts: 185
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From: Missouri
Muffler shop exhaust I'm going to replace my entire exhaust system starting with the hogan downpipe, removing the resonator and into two corsa mufflers. I'm going to have a local muffler shop do it all.
Once I get the downpipe on, will I be able to use 3" pipe all the way to the mufflers or will i have to stay with the 2.5"?
Once I get the downpipe on, will I be able to use 3" pipe all the way to the mufflers or will i have to stay with the 2.5"?
TECH Fanatic
Joined: Jul 2007
Posts: 1,115
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From: Reading, Pennsylvania
I guess you could go with 3" but I'm sure most will recommend to keep 2.5" but what do I know. The downpipe is the main restriction in our exhaust. Make sure to get a sound clip I'm interested to see how Corsa's will sound on there. What are you doing for tips?
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So you guys are saying to run 2.5 inch pipe back from the downpipe to the y to the mufflers and out? I thought originally a lotta ppl on here were running 3 inch into a 2.5 inch y and into 2.5 mufflers and out. What diameters are you guys running from the downpipe back, into the y, into mufflers and out? I'm gonna go with the hogan catted down pipe and custom exhaust soon. Just trying to figure out what I'm gonna go with diameter wise. Thanx.
On The Tree
Joined: Feb 2008
Posts: 153
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Although we do not have a major resitriction with a "U-bend" like the 3800 cars we do share a pretty significant restriction at the "flex neck" of the stock DP. Compare the stock opening at the mouth of the stock DP to that of a the 3" DP and there is a pretty significant difference.