exhaust question - Toyota Supra Forums

06-27-2007, 02:43 AM

SupraDupra

3" Exhaust

Join Date: Oct 2006

Location: Cleveland OH

Posts: 129

Quote:

Originally Posted by yota_head

you will lose low end and maybe gain top end.

your engine needs a little bit of backpressure for scavenging purposes.

Indeed. From what I have come up with on the N/A's ,a 2 1/2" exhaust is the most you want. Or some have said ,if you know someone with a turbo upgrading ,get that off them and swap it on. I don't imagine your cleaned out cat would have a negative effect with the other elements in place. Unless you took off the resonator and have a more free flowing muffler on there.

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1988 Supra - N/A 5 speed
1974 'Cuda - 318
2001 Cherokee

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