Product Description:

Sport Exhaust System Kit 4 for Porsche 997 MK1 GT3 / RS.

Quieter Motorsport version -
especially for Race tracks with noise limits
6.5Kg weight reduction.
17KW (23PS) more power and 17 Nm additional torque
Inclusive manifold with equal primary pipe length and spike in the collectorbox
2x ??130mm diameter 200 cell Trimetalcatalyser
OBD2 compliant
Pipe bends, pressings with optimised gas flow
Special 74mm diameter exhaust flaps
Factory car function controls kept fully remained.
Inclusive active SPORT-button
All parts mounted with AEROQUIP - fittings for optimal tightness and flexibility.
Tailpipes optionally 2x89mm or 2x100mm by retention of the standard rear silencer. Rear silencer is not included in delivery.

Consisting of:
- Stainless steel Manifold with 45mm primary pipe inner diameter
- 200 cell trimetal catalyser set with flaps 74mm
- Wheel well - silencer pair
- Connection pipe from wheel well silencer to rear silencer
- Tailpipe polished 2x 89mm 23?? slash cut
- Assembly material