gavin.starr Posted September 10, 2007 Share Posted September 10, 2007 de-cat is it worth doing or not. 3.0L tt jap import jza80 2jz-gte. is there any point im just after getting a bit more grunt thats all Quote Link to comment Share on other sites More sharing options...
R Black Posted September 10, 2007 Share Posted September 10, 2007 it does make quite difference apparantly ive not done it but will. Think you gain about 60 to 70 bhp with quicker spool Quote Link to comment Share on other sites More sharing options...
RobSheffield Posted September 10, 2007 Share Posted September 10, 2007 One or two decat pipes? Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted September 10, 2007 Author Share Posted September 10, 2007 its got two on it but probably only after removing one of them Quote Link to comment Share on other sites More sharing options...
Konrad Posted September 10, 2007 Share Posted September 10, 2007 its got two on it but probably only after removing one of them I took off second cat from my NA and sound is VERY nice, she seems to be "lighter" under heavy foot and responce is quicker Quote Link to comment Share on other sites More sharing options...
Thorin Posted September 10, 2007 Share Posted September 10, 2007 Read the BPU article. Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted September 10, 2007 Author Share Posted September 10, 2007 Read the BPU article. where do i find that then Quote Link to comment Share on other sites More sharing options...
Thorin Posted September 10, 2007 Share Posted September 10, 2007 where do i find that then Click on BPU in my post Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted September 10, 2007 Author Share Posted September 10, 2007 quite alot to take into consideration then Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted September 11, 2007 Author Share Posted September 11, 2007 what diamater pipe is the exhaust as ive got a mate in the machine shop at work that could make me up the de-cat pipes and flanges. Quote Link to comment Share on other sites More sharing options...
Thorin Posted September 11, 2007 Share Posted September 11, 2007 Just under 2.5" I think, possibly more like 2.25"? Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted September 11, 2007 Author Share Posted September 11, 2007 is 2.5" the diamater for the restrictor flange, its the diamater of exhaust pipe im after to replace my cats when i take them out cheers in advance gav Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted September 11, 2007 Author Share Posted September 11, 2007 just been out and checked diamater of my pipe and the rear section from the backbox to the next split in the pipe is 95mm. so i think its all ready had some work done to the exhaust before i bought it. import you see havent got a clue whats been done to it. Quote Link to comment Share on other sites More sharing options...
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