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nmE · Mar 15th, 2007, 01:06 AM

lol im sorry to hear that, im not having the same problems you are...until you replace the exhaust system or at least the muffler any header upgrade is going to sound like that, mine does too...the stock muffler isnt meant for performance and it sounds like garbage. the burning smell will go away its oil burning off of the headers/the smell of your welds. if it continues you may have a leak and should get a compression test done to check. as far as the mpg part make sure #1 that the o2 sensor is plugged into the correct location on the headers...aside from that of course headers are going to drop your mpg, more frequently than not more power = less mpg. it will happen with the hotshot headers as well.

Mar 15th, 2007, 01:06 AM	#9 (permalink)
nmE Nissan Enthusiast Join Date: Aug 2006 Location: Philadelphia Posts: 72	lol im sorry to hear that, im not having the same problems you are...until you replace the exhaust system or at least the muffler any header upgrade is going to sound like that, mine does too...the stock muffler isnt meant for performance and it sounds like garbage. the burning smell will go away its oil burning off of the headers/the smell of your welds. if it continues you may have a leak and should get a compression test done to check. as far as the mpg part make sure #1 that the o2 sensor is plugged into the correct location on the headers...aside from that of course headers are going to drop your mpg, more frequently than not more power = less mpg. it will happen with the hotshot headers as well. __________________ 2003 GXE:Weapon-R Secret Weapon Intake, OBX Headers, B&M Ripper SS, HKS Sport Exhaust Coming Soon:ES MMi's, Megan FSTB, Tarmaq RTB, Unorthodox Racing UDP, APEXi SAFC2, then chill and save for turbo or SR20 swap ;)