• Lightest Muffler on the market!
• Titanium Construction
• 13.2 Pounds Lighter Than Stock
• OEM Spec Diffuser
• Made in the USA!
• Allows Access to Chain Tensioner Bolt without Removing Muffler (Indy models)

Our Boost mufflers have a OEM spec diffuser which gives you a precision fit and finish as the exhaust leaves the turbo outlet. Our mufflers show a small power gain with the stock ECU programming and improved throttle response as well. The Titanium L2 muffler weighs only 2.6 lbs. and saves 13.2 lbs. over stock- that's even 2.3 lbs less than our Stainless Steel L2!

The L2 Series muffler is designed to be lighter and louder than our original lightweight muffler. We always have performance on our minds and our mufflers will either perform the same or better than the stock muffler. They utilize the stock outlet location and require no chassis modifications for installation.

Competition Series Titanium Muffler- POL850TM-TI

Update Feb 2024: Speedwerx Tunes and Mufflers Tested at DynoTech Research!

Boost VR1 Low Elevation Calibration Dyno Test

Stock Tune:  185.2 hp with Stock Muffler Mod 
Stage 2 - 91 Non-Oxy Pump Gas ECU Tune:  200.1 hpwith Stock Muffler Mod / 200.0 hp with Std Lightweight Muffler
Stage 2.5 - 91 Non-Oxy Pump Gas ECU Tune:  210.6 hp with Stock Muffler Mod / 212.4 hp with Std Lightweight Muffler / 213.6 hp with L2 Muffler
Stage 4 - 110+ Octane Race Gas ECU Tune:  259.0 hp with L2 Muffler

Stock, Stage 2, Stage 2.5, and Stage 4 Tunes with Stock Muffler Mod (Black 25/Aqua 27/Pink 29) vs. Lightweight Muffler (Lt Green 39/Purple 37/Lt Blue 35) vs. L2 Muffler (Green 11/Dk Blue 13/Red 17/Yellow 53)

 L2 Series Lightweight Muffler with Stock, Stage 2, and Stage 2.5 Tunes

Disclaimer: designed for competition use only! Speedwerx, Inc. is not responsible for the performance or noise of these exhaust systems. These exhaust systems are designed to be lighter and louder than our original lightweight muffler systems. These mufflers are suggested to be used for closed course racing only.