- Joined
- Apr 10, 2007
- Messages
- 2,876
I've just swapped over to TODA from 5zigen. They both sure look different! the primary and secondary pipes are sure bigger on the TODA. Both have 2.5" collector yet the TODA collector is quite long in length.
Result is very good! TODA seems to work better with my SPOON ECU. I dont get much of that powerdip within 5000-6000rpm, as if its almost gone. Top end really comes alive, and sounds more tough and growly cruising around 3000rpm+.
The pipe size diameter was spot on using my digital caliper.
TODA
45mm primary
48mm secondary
60mm collector
I also measured my 5zigen and found some interesting sizes.
5zigen
42mm primary
50mm secondary
54mm-65mm collector
The 5zigen collector is a flared design and the widest point measured out 65.32mm or 2.59". I'm not sure if this header was made for the B16 or B18 but the collector measured out bigger than the TODA at widest point.
Weight of TODA header is 5.3kgs
Overall I recommend the extra $$ for the better quality TODA especially if your currency exchange vs YEN is good. Nowadays it seems quite far fetched. Luckily I had this pre-ordered before the recession.
This header has shown that it responds very well with uprated cams. In 1 local case, a b16a had TODA C cams and JDM 4-1 header. With just the header swapped over to TODA, it was shown to gain an extra 15whp after tuning.
highly recommended.
All pics below...
Result is very good! TODA seems to work better with my SPOON ECU. I dont get much of that powerdip within 5000-6000rpm, as if its almost gone. Top end really comes alive, and sounds more tough and growly cruising around 3000rpm+.
The pipe size diameter was spot on using my digital caliper.
TODA
45mm primary
48mm secondary
60mm collector
I also measured my 5zigen and found some interesting sizes.
5zigen
42mm primary
50mm secondary
54mm-65mm collector
The 5zigen collector is a flared design and the widest point measured out 65.32mm or 2.59". I'm not sure if this header was made for the B16 or B18 but the collector measured out bigger than the TODA at widest point.
Weight of TODA header is 5.3kgs
Overall I recommend the extra $$ for the better quality TODA especially if your currency exchange vs YEN is good. Nowadays it seems quite far fetched. Luckily I had this pre-ordered before the recession.
This header has shown that it responds very well with uprated cams. In 1 local case, a b16a had TODA C cams and JDM 4-1 header. With just the header swapped over to TODA, it was shown to gain an extra 15whp after tuning.
highly recommended.
All pics below...
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