|Item Weight||9 pounds|
|Product Dimensions||21 x 11 x 6 inches|
|Item model number||40359|
|Is Discontinued By Manufacturer||No|
|Manufacturer Part Number||40359|
|OEM Part Number||40359|
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BORLA 40359 Muffler
|Price:||& FREE Shipping|
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- Make sure this fits by entering your model number.
- Center/offset configured un notched vehicle muffler for your exhaust
- 19 inch overall length and oval shape
- 3 inch inlet / 3 inch outlet
- Refer to your specific vehicle and exhaust system to ensure proper fit
- 14 x 4 x 9.5 inch case size
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|Sold By||Trends Auto||Team Allied Distribution||PStuning||Amazon.com||Amazon.com||Amazon.com|
|Item Dimensions||21 x 11 x 6 inches||19 x 10.5 x 4.6 inches||24 x 11 x 7 inches||20 x 4 x 4 inches||25 x 11 x 11 inches||0 x 0 x 0 inches|
|Item Weight||9.00 lbs||9.00 lbs||—||6.41 lbs||12.00 lbs||13.00 lbs|
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Value-priced BORLA(R) ProXS mufflers share many of the hottest features of our performanceline. Including high-quality 300 Series austenitic stainless steel construction, streetcommandingsound and our Million Mile Warranty. Sizes are available for import anddomestic cars and trucks.
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My application: 2010 Chevy Silverado 1500 lt ext cab 5.3l 6.5ft bed.
Cut off the barbeque grill stock muffler right before it. Stock muffler exhaust pipe size was 3" OD before the muffler, 2.75" OD after the muffler.
I put a 1ft 3" OD pipe after the muffler and a 3" down turn all before the rear axle. Beautiful set up imo. Stock muffler sounded like a car, with the proxs it sounds like a nice truck. I fell in love with the growl it makes at lower rpm like cruising at 20-25mph and you slightly hit the accelerator it sounds like a big mean dog growling. Now when you hit it off the line, it's pretty loud. It will get some looks, but it's definitely not obnoxious. Just sounds like a badass truck.
The cold start is a bit loud. My friend that was in the army said it sounds like a helicopter with the low bassy womp womp womp womp. It's warm idle is pretty quiet but you can still hear it with the windows down at a stop light. Absolutely no drone on the highway both windows up or down but you can still hear the exhaust. You hear it for sure when you hit it to pass but still no drone.
I've put about 800 miles on it so far and it's gotten a bit louder, but not much. It's a joy.
So if you are looking for a muffler that is louder than stock, but not super loud like most exhausts, this is a great choice. Borla makes low bass sounding mufflers that sound mean and for the price are the best deal you can find.
Just returned from 1000 mile trip with trailer thru mostly mountains, happy with power increase, but this muffler is still to loud when accelerating with a 5000 lb load being towed. Sound around town without trailer is fine.
By Frank on September 26, 2018