Implausibly Loud, then?My phone number starts with 860 which is a CT area code... lol
Actually it is not a 4 into 1 pipe, it is a 4 into 1 then splits back into a 2, it is designed so that allpistons have the same compression to make the motor run smoother... it is a custom designed header that is pat. pending. Yes it sounds very sweet, throaty - but not rediculously loud.