Marcc Registered Aug 19, 2016 #1 Hi Just got 4-1 Muzzy system, and just wonder. .. . Is it harmless to engine without db-killer? The only mods are KN air filter and exhaust! Cheers
Hi Just got 4-1 Muzzy system, and just wonder. .. . Is it harmless to engine without db-killer? The only mods are KN air filter and exhaust! Cheers
TheJwexperience Registered Aug 19, 2016 #2 do you have it mapped, what are you worried about happening?
Marcc Registered Aug 22, 2016 #3 No map, only kn filter and full exhaust system! Just been told that there should be some resistance. .. . Last edited: Aug 22, 2016
No map, only kn filter and full exhaust system! Just been told that there should be some resistance. .. .
