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Discussion Starter · #1 ·
So I have an 07 DRZ sumo and it has the 3x3 mod and Dyno Jet already but stock exhaust. The bike is fast enough for me now but I would like a deeper sound coming from the exhaust. I'm torn on what to do...

1. Powercore 4 slip on. No rejet required. $234
2. Full exhaust (maybe MRD) but rejet required. $450 + $180 labor cost for rejet
3. Do nothing and enjoy it how she rolls now. FREE

The other problem is I can only afford options 1 and 3 right now.
 

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okay so as far as a pipe, save for a full system.. and as far as jetting, i'd do that myself... if you get lost or anything i'm sure tons of memebers on here could help
 

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winner winner chicken dinner... i bought a used yoshi head and mid pipe from junkyard, had an old yz 450 muffler laying around, weld up some mounts and a joint for the mid pipe and muffler .. made it for less than 70 bucks.. paid more for my jd jet kit..
 

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Yeah, what he said.
Your choke point is the head pipe. I would ride it and save for a full system while keeping your eyes on C-list and Ebay for a used system or a deal somewhere.
 
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