Join Date: Sep 2010
Location: B.C., Canada
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Thanks for the quick reply guys, it seems like the WRX market has tons of aftermarket support rather than the Mercedes side of modding.
It definitely does.
Why is a tune needed even for just an exhaust, are you saying this because the tune will bring out the most potential from the catback and deliver more power? Or is the tune needed because of errors?
No tune is needed for just an aftermarket cat back - those are mainly for looks/sound. The tune comes into play when you upgrade the stock downpipe. Aftermarket downpipes allow much more air to flow immediately after the turbo and without a proper tune, your ecu won't be able to cope with all the extra air flow and your car will likely throw a check engine light and engine damage can occur because of boost spiking. This is more likely to happen with the 2.5 L engines than the 2.0 L engines, but either way, tunes are always highly recommended.
Because in my mercedes, my Exhaust was first for many months then I got the tune for the power but perhaps its different in the WRX world? It seems like you guys emphasize on the tune a lot and thats what I was wondering.
Yep it's different. Tunes are important to keep these complicated beasts running correctly.
My friend wants an exhaust mainly for the sound but the power is a plus!
Good, then he'll be really happy with a turbo-back exhaust and a Stage 2 tune.
Which affordable exhaust would you recommend
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