Greddy Exhausts ?
The EVO will get the best gains of the two - the SP supposedly gets better low end response.
Neither will get any huge gains by itself. If you get one, you gotta complete it with a custom mid pipe to attach to it that is the same diameter - without completing it into a full exhaust system, then it's pretty much for naught.
I haven't heard the sound of the SP but the EVO sounds pretty good. It has a staighter design than the SP. The SP is shaped like the TRD, going into a large muffler in which the path it takes routes the gases back around and out of the muffler on the same side (different pipe) that it came in and then out of the tip while the EVO goes straight from the rear section to a muffler to the tip and out.
If you go for a GReddy, I would suggest the EVO.
Neither will get any huge gains by itself. If you get one, you gotta complete it with a custom mid pipe to attach to it that is the same diameter - without completing it into a full exhaust system, then it's pretty much for naught.
I haven't heard the sound of the SP but the EVO sounds pretty good. It has a staighter design than the SP. The SP is shaped like the TRD, going into a large muffler in which the path it takes routes the gases back around and out of the muffler on the same side (different pipe) that it came in and then out of the tip while the EVO goes straight from the rear section to a muffler to the tip and out.
If you go for a GReddy, I would suggest the EVO.
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