Why that welded piece between the pipes is there which is not looking good
Those are called crossover pipes, between cylinders 2 & 3 and 1 & 4 (behind and lower than the one in the front you see) , for improving the flow and sound of the exhaust.
OutAndAbout-7303 by vcheng552000, on Flickr
OutAndAbout-7313 by vcheng552000, on Flickr
OutAndAbout-7314 by vcheng552000, on Flickr
OutAndAbout-7283 by vcheng552000, on Flickr
OutAndAbout-7285 by vcheng552000, on Flickr
OutAndAbout-7288 by vcheng552000, on Flickr
OutAndAbout-7317 by vcheng552000, on Flickr
Subaru BRZ Limited-7324 by vcheng552000, on Flickr
Montreal-7335 by vcheng552000, on Flickr
Montreal-7361 by vcheng552000, on Flickr
Montreal-7364 by vcheng552000, on Flickr
Maserati Quattroporte-7406 by vcheng552000, on Flickr
Porsche Panamera 4-7407 by vcheng552000, on Flickr
Yamaha V-Star-7411 by vcheng552000, on Flickr
Harley-Davidson-7401 by vcheng552000, on Flickr
The green car in post #1110 looks nice. What car is it?
All original 1951 Hudson Hornet with 70,000 miles.
Kinzua Bridge-3830 by vcheng552000, on Flickr