🚗 Walker Exhaust 21558 Quiet-Flow Muffler for Enhanced Engine Performance Review

My 2006 Impala needed a new muffler and it fits perfectly and is very quiet. Much more than a factory silencer. Overall I am happy with my purchase and would recommend it to anyone needing a 9th generation (2006-2016) Impala muffler replacement.

Part works great my car doesn't make any noise anymore and not annoying. My only gripe, however, is that it's a full inch shorter than the OEM muffler. So if you change the muffler yourself. Just note that you may need to adjust how it sits on the hanger hook to get it connected properly, or instead of using a U-bolt to squeeze it together use a universal clamp.

I'll bet about 3.5. I was hoping it would be quieter than it is now. But it's still not bad. The name suggests that it will be a "silent stream". It's not exactly quiet - it's more like a slight import of a higher pitch. (not loud - just needs a little more cushioning). I think I would give it 5 stars if it had a softer and deeper sound/pitch. The high frequency tone makes it sound a bit cheap.

I used this on my 2007 Chevy Impala, I liked it because the old muffler was rusted with holes and welded to the factory stem. I didn't want to spend $250 on a replacement that required welding, so I spent under $100 on this one that is flanged and requires no welding with a mounting handle. So I cut off the old muffler, put the new muffler in the exhaust pipe so the muffler flange attached the mounting handle, all in thirty minutes and I'm not a mechanic but almost two months and getting…