These Nismo R Tune Stainless Steel Exhaust Headers for the 2003-2006 Nissan 350Z are a Genuine NISMO (Nissan Motorsports International) part.
This R-tune part is not warranted by Nissan.
- 9+HP increase over 3800-6200 rpm range at the rear wheels
- 13 HP and 13 lb-ft maximum increase at the rear wheels
- Equal length tubing, individually hand-crafted
- 100% T-304 Stainless steel contruction
- 1.625" primary tube stepped up to 1.750" diameter
- 2.25" collector
- Heavy-duty 3/8" flange