I meant the difference power in using no cats vs. a high flow cat isnt noticable

Yea the magnaflow one is what I am getting now that Im tuned but I still only have a 2.5 inch exhaust so I gotta save up for a full 3 or 3.5" system.

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1997 Mercedes E320 Turbo
Garrett T3/60-1 Turbocharger
Custom Water Intercooler Setup
352rwhp/366rwtq @ 8.6psi in '08

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