Buy Flowmaster 527504 50 Big Block Muffler - 2.75 Dual IN / 2.50 Dual OUT - Mild SoundFlowmaster 527504 50 Big Block Muffler - 2.75 Dual IN / 2.50 Dual OUT - Mild Sound Product Description:
- Stock to mild exterior exhaust tone
- Reduced Interior resonance
- Recommended for SUV, trucks, motorhomes and tow vehicles
- Improved horsepower or torque and potential mileage improvement
- Race proven patented delta flow technology
Product Description
The 50 series Big Block muffler is made for more than just big cubic Inch engIne applications. Its large case size with Internal tunIng chamber provides mileage and power gaIns along with maximum sound control for a quiet Interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUVs, RVs, and tow vehicles. Constructed of 16 gauge alumInized steel and fully MIG welded for maximum durability.
Customer Reviews
Most helpful customer reviews
4 of 4 people found the following review helpful.
By LoganBGKY
I went with this muffler because it was dircect fit for my 7.4L big block. The sound is amazing!!! I didnt want anything to loud but i wanted to hear my truck thru the exhaust. On take off I get a nice low mean growl but running on interstate I cant tell any difference from the stock muffler in terms of sound. No annoying drone. The biggest benefit from this muffler was that I gained a little over 1 mpg. Probably even more, since i been getting into the pedal a little bit more because I love the sound. Only one draw back, I wish it was stainless steel. I couldn't find this muffler on flowmaster's website in stainless steel.
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