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Swapping an exhaust system at the track for same-day testing can be a challenge, but the SLP unit bolted right into place and fit well. In order to remove the stock exhaust, the pipe above the axle was cut with a hacksaw. Looking at the SLP tubes, note that the high-flow Y-collector doesn't cause any restriction going into the dual tailpipes. The stock exhaust flows into the restrictive (low-flow) muffler, then into the tailpipes. Pipe size differs between the two systems with 3-inch into 2.50-inch tails for the SLP versus 2.75-inch into 2.25-inch tails after the muffler for the stock system.