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Why is the Spoiler Cap for BMW X3 M40d / M40i / M-Pack G01 k worth choosing
- Requires ECU upgrade: A custom ECU tune is mandatory to ensure proper engine calibration and prevent damage
Start your adventure with Maxton Design’s visual tuning that is second to none in unique design and quality
The APR badge includes the Letters A
Increased air flow
FLOWMASTER FLOW FX MUFFLER PUNTO Why is the Spoiler CapFlowmaster's Flow FX series mufflers are for the enthusiast who is looking for an economically priced performance muffler that delivers a moderate sound level and tone, both inside and outside the vehicle. The large straight through smooth core offers up a different sound than that typical "chambered" sound that Flowmaster has become famous for. These new Flow FX mufflers have a compact 4. 00 inch diameter round body that will fit nicely on just about