Bilstein B3 01-03 BMW 525i/ 99-00 528i Front Coil Spring (Standard Suspension) 1975-gmc-k25-suburban-base-esi5647785 CrateMuffler(r)s are tuned for specific

CrateMuffler(r)s are tuned for specific engines

Natural mill finish can be brushed or polished prior to installation using 1" wide band style clamps (clamps not included)

TThis muffler is tuned for the Chrysler/ Dodge/ Plymouth (Mopar) Big Block 396/ 402/ 427 CID V8 engine family

Valve actuator recalibration REQUIRED after installation (Click for details)

The BORLA® mid section features a Merge X-Pipe and will increase the overall sound volume while maintaining the tone of 11981 & 11981BC

Bilstein B3 01-03 BMW 525i/ 99-00 528i Front Coil Spring (Standard Suspension) 1975-gmc-k25-suburban-base-esi5647785 CrateMuffler(r)s are tuned for specificBilstein B3 OE Replacement coil springs are designed to replace your vehicle's original springs. These coil springs are manufactured to meet all the OE dimensions, spring rates, and design types (such as miniblock or central force design). With Bilstein B3 OE Replacement coil springs, you are restoring your vehicle's suspension system function and safety to factory specifications. Innovative technical designs including pigtail ends, minibloc shapes