.:HSTuners::

armyguy5 · 03-05-2003, 11:22 PM

bert....it's from the back of the catalytic converter all the way back..the exhaust is made to bolt up to the factory cat...i duno about the emissions laws in the UK..depends on the exhaust setup for ur car....say for example 2001 civic hx, lx and dx...have the cat directly connected to the exhasut manifold...as for the EX (my car) has it underneat the car with a downpipe.. replacing the cat ins't necessary...check out thermalr&d.com and as for the manifold...the manifold is made to bolt up to the stock engine....the piping is gonna be a difference size...call them and ask the diamter of the outlet on the manifold....and as for exhast u can get away with 2.5" IMHO 3" is a little excessive and a big loss of back pressure.....

chris

03-05-2003, 11:22 PM	#1
armyguy5 3rd Gear Join Date: Oct 2002 Location: allendale, mi Age: 42 Posts: 568	bert....it's from the back of the catalytic converter all the way back..the exhaust is made to bolt up to the factory cat...i duno about the emissions laws in the UK..depends on the exhaust setup for ur car....say for example 2001 civic hx, lx and dx...have the cat directly connected to the exhasut manifold...as for the EX (my car) has it underneat the car with a downpipe.. replacing the cat ins't necessary...check out thermalr&d.com and as for the manifold...the manifold is made to bolt up to the stock engine....the piping is gonna be a difference size...call them and ask the diamter of the outlet on the manifold....and as for exhast u can get away with 2.5" IMHO 3" is a little excessive and a big loss of back pressure..... chris __________________ Cold Air Intake, Front Strut Bar, MTX Thunder 6000 10", Gunmetal Altezza Tail Lights, Short Throw Shifter, Factory Side Skirts and Rear lip, JDM front Lip, Thermal R&D stealth exhaust, 16" Rota Slipstreams in Bronze, Alpine CD/MP3/WMA/XM RADIO, Legacy L7M in car video

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