I have the Walker Quiet-Flow 53757 on my 07 5 door hatchback. I used it to replace my rusted stock muffler and I'm quite happy given the price and the fact it's stainless steel and has a lifetime warranty. Well only the canister is actually stainless steel and the piping is regular aluminized steel. I do think it is a bit louder than the stock exhaust as it is a simpler more conventional design without the loop of the stock muffler. Walker also makes an OE style muffler the 53919 which is more expensive but I could not find in stock anywhere so I went with the 53757.
http://www.walkerexhaust.com/catalog...g-lookup/53757
http://www.walkerexhaust.com/catalog...g-lookup/53919
If you're going to replace the muffler yourself which isn't too hard you'll need a couple copper exhuast nuts since the Walker doesn't have the nuts welded to the flange like in the OE muffler. And you'll probably need to replace the steel gasket at the flange as will come apart in pieces if it's the original one.
Don't expect any kind of performance gains from this muffler as it's only a muffler and not a cat back system, and uses the same size tubing as the stock design. Besides with the Yaris 1.5L generating 105hp even if you went with a real performance designed cat back system and managed a real sizeable hp gain of say 5% it would only work out to 5.25hp.
05-04-2016, 10:06 PM
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