Stillen Street Series Cat Back Exhaust Polished Tips for Nissan Z '23+ stln504503
STILLEN had released the cat-back exhaust system for the 2023 Nissan Z.
STILLEN engineers had gone through multiple different exhaust configurations and prototypes to determine what would give the best performance, best flow and best sound.
After months of exhaustive testing the team determined that the best design starts with a stainless steel flange precision TIG welded to 2.5” tubes leading into a CNC bent and CNC machined X pipe.
The team had tested a true dual exhaust system and determined that it was too loud and too “flat” sounding. Something very common with twin turbo V6 engines.
For the best effort to get the best performance possible, STILLEN will not restrict the engine by going from dual 2.5” tubes to a single 3” mid-pipe.
The perfect solution was via an X pipe with a cross-sectional area of around 4”. Merge is possible for the left and right banks which improved the sound tremendously without restricting the exhaust flow.
Additionally, it allowed the team to fit the largest possible collector through the narrow chassis tunnel in the center of the car.
From the X pipe the CNC mandrel bent 304 stainless steel tubes lead into a pair of precision TIG welded high polished finish mufflers.
FEATURES AND BENEFITS:
- Limited lifetime warranty
- 304 stainless steel
- Made in America
- Tig welded construction
- CNC Machined
- CNC mandrel bent
- Dyno tested
Stillen Street Series Cat Back Exhaust Polished Tips for Nissan Z '23+ stln504503
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