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Y-pipe for OEM manifold for pre-catalytic converter removal.

The Clio mk3 RS 197 / 200 stock manifold is well designed with adeguate primary and secondary pipes length and diameter.
The only issue is the presence of a catalytic converter where the secondary pipes merge, a big obstacle to the gas flow.

The Supersprint y-pipe allows to remove this obstacle. The stock manifold must be cut, ideally dismounting the part from the car for an easier job, right before the pre-cat. Then the Y-Pipe can be slided on top of the pipes and welded in place.

This modification give a real, tangible power gain, more so if coupled with the Supersprint sports cat 873832.

CAUTION: the removal of the pre-cat may cause an irregular power delivery in the low rpm range. This issue can be solved with a custom ECU remap.

According to D. Lgs. 196/03, the data collected will be used only to inform about the activities and initiatives of Supersprint and will not be disclosed to third parties. The conferment of data is optional, but without personal information will not be possible to provide the services requested. The interested party may exercise its rights under Art. 7, D. Lgs. 196/03. The holder of the treatment is Supersprint - Mantova - Italy.

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