Dinan D660-4602 Free Flow Axle-Back Exhaust Muffler E46 for BMW 325i/330i throttle-position-sensors (inner diameter) which makes for

(inner diameter) which makes for easy throttle linkage attachment

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This direct-fit catalytic converter is designed specifically for the 1990-1994 Subaru Legacy

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Dinan D660-4602 Free Flow Axle-Back Exhaust Muffler E46 for BMW 325i/330i throttle-position-sensors (inner diameter) which makes forOverview: Dinan's Free Flow Axle Back Exhaust for the 3 series models provides increased flow for power gains without the excessive noise associated with typical ''performance'' mufflers. The Dinan exhausts feature rigid and durable muffler cases manufactured from 20 gauge 304 stainless steel for optimum corrosion resistance. Internally the systems feature Dinan's Tuned Resonance Chamber technology which provides the optimum balance between maximum