We are building our standard 911 sport mufflers (that use the OE 2-bolt flanges) right now. Lead time depends on which model (tailpipe configuration) you prefer.
High Flow mufflers are build to order and match the tuned headers per application. The GT3 and S tailpipe options integrate into the muffler body; the R and Dual Out options exit the end caps. The exhaust flow from each bank is straight through and isolated in the R and DO configuration. Both have larger inlets to match the header secondaries, which depend on the application. We also use 2.25" inlets on the 2-bolt OE style flanges for engines requiring that size. Larger displacement or output bump up to 2.5" v-bands. The latter is what we would use for 3.6L stock engines. We recently finished up a system for a 400hp 4.0L engine early chassis transplant.
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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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