Yes, 12-15hp gain is seen on a typical 300hp Euro engine when changing from the stock muffler to one of mine. The amount of gain is dependant on the level of modifications, such as the turbocharger.
I have several configurations. You can check them out at www.RarlyL8.com
All use the same muffler body to give the same great sound. You can call me anytime as well.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
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