Test pipe or cat.?
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Mustang Sally
Joined: Jan 2002
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From: Midwest
Test pipe or cat.?
What should I do? Get a 2.5in cat or a 2.5in test pipe. I'm just kinda stuck on this one because I know that if I dont have a cat I can get fined for it. But then again, who ever looks under the car?
Honda-Tech Member
Joined: Mar 2000
Posts: 1,690
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From: Formerly of SF moved to DFW and now back in SF, CA, USA
Re: Test pipe or cat.? (KooK)
Get a cat. If you have the usual bolt-on's you won't see any real gains from a straight pipe. Plus, you won't have to worry about getting pegged for not having the cat. Get the cat.
Whateva floats your boat man. 
Joined: Jan 2002
Posts: 1,345
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From: clearwater, fl, usa
Re: Test pipe or cat.? (KooK)
if you dont care about smoggin and want to save some money then a strightpipe, but if you have the cash then get a hi-flo cat, from what i hear they'll goth give you comparable gains unless you go turbo or do major work to the engine.
Honda-Tech Member
Joined: Dec 2001
Posts: 3,643
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From: assville, MI, USA
Re: Test pipe or cat.? (DeeSeeToo)
Stock NSX 242.1 cfm
Stock Type R 223.6 cfm
Stock Integra 218.3 cfm
Catco (metal core) 2.25" 223.8 cfm
Catco (metal core) 2.5" 271.9 cfm
Random Tech 2.25" 297.1 cfm
Catco (std. core) 2.25" 338.2 cfm
Catco (std. core) 2.5" 388.0 cfm
Car Sound 2.25" 342.7 cfm
Test Pipe 2.25" 407.1 cfm
Stock Type R 223.6 cfm
Stock Integra 218.3 cfm
Catco (metal core) 2.25" 223.8 cfm
Catco (metal core) 2.5" 271.9 cfm
Random Tech 2.25" 297.1 cfm
Catco (std. core) 2.25" 338.2 cfm
Catco (std. core) 2.5" 388.0 cfm
Car Sound 2.25" 342.7 cfm
Test Pipe 2.25" 407.1 cfm
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