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09+ Ralliart / Evo X, High-Flow Cat (Metal Substrate)
$355.00 USD
Replaces the OEM catalytic converter with a 3" metal substrate core high-flow performance cat. The metal core is our highest flowing cat available.
Features:
- 304 stainless steel piping
- 3/8" thick machined flanges
- TIG welded to perfection
- Metal substrate high-flow catalytic converter (efficient to 750 hp)
- 100 % Bolt-on to stock
Option:
- Extra Bung with Plug for future Wideband Sensor, +$30 USD
- Rear O2 sensor extender to prevent CEL, +$30 USD
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