3"downpipe w/stock exhaust, boost spike?
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Junior Member
Joined: Nov 2002
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From: SF/SD
3"downpipe w/stock exhaust, boost spike?
hey guys,
im looking at a 2nd FD but one thing concerns me about the car. its all stock but just a 3" downpipe. will the restriction of the stock exhaust prevent boost spikes? the car does not have a boost gauge so i dont think the current owner will know if he has a boost spike when he floors it.
im looking at a 2nd FD but one thing concerns me about the car. its all stock but just a 3" downpipe. will the restriction of the stock exhaust prevent boost spikes? the car does not have a boost gauge so i dont think the current owner will know if he has a boost spike when he floors it.
Full Member
Joined: Jan 2002
Posts: 246
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From: south jersey
no, the dp actually improves the car. the pre-cat is known to clog, so the dp eliminates that problem. the other thing the dp does is it decreases the temp's under the hood dramatically.
you can bring a boost guage along w/ you and hook it up on a test run, but i doubt you'd see more than 11 psi w/ just a dp. good luck looking for an rx7.
nick
you can bring a boost guage along w/ you and hook it up on a test run, but i doubt you'd see more than 11 psi w/ just a dp. good luck looking for an rx7.
nick
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