Blue88Comanche Posted October 5, 2011 Share Posted October 5, 2011 my uncle has a 1991 300ZX and it has dual 4 inch exhaust. we think the last owner hollowed out the muffler and possibly the cat, all we know is it is stupid loud. I just sold the car he was letting me borrow while my jeep is in the shop and now i need another car to use. we don't really have time or money to get a new exhaust put in it at moment. in theory a exhaust silencer attaches to the inside of the exhaust tip and makes the 4 inch hole a 2 inch as well as quiet it down a little. Link to comment Share on other sites More sharing options...
xjrev10 Posted October 6, 2011 Share Posted October 6, 2011 Only on snomobiles. But a silencer for a sled is the total opposite of silent :chillin: Link to comment Share on other sites More sharing options...
jpnjim Posted October 6, 2011 Share Posted October 6, 2011 If you are talking about the slide in silencers, they're easy, and they can't hurt. :dunno: Link to comment Share on other sites More sharing options...
dakal Posted October 6, 2011 Share Posted October 6, 2011 i did it to my greddy exhaust on my xb. used a plug and drilled four small holes in it. let about 65 % of the exhaust through. quieter and goes like smoke. Link to comment Share on other sites More sharing options...
Blue88Comanche Posted October 7, 2011 Author Share Posted October 7, 2011 good to know that it works! thanks Link to comment Share on other sites More sharing options...
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