4.5"

Image
SKU
Product
Rating
Price
  • Untd. Performance Catless 4.5" Downpipe - BMW B58 F20/F30/F31/F32/F33/F34/F36/G30/G11/G12
    SKU: UNTD-428

    Unlock the true performance potential of your BMW B58-powered F20, F30, F31, F32, F33, F34, F36, G30, G11, and G12 models with the Untd. Performance Catless 4.5″ Downpipe. Designed for enthusiasts looking to enhance turbo efficiency, throttle response, and overall engine performance, this catless downpipe is engineered to maximize exhaust flow and reduce backpressure, making it the ideal upgrade for those seeking unfiltered power and performance gains.

  • Untd. Performance Catless W/ Heat Shield 4.5" Downpipe - BMW B58 F20/F30/F31/F32/F33/F34/F36/G30/G11/G12
    SKU: UNTD-429

    Unlock the full potential of your BMW B58-powered F20, F30, F31, F32, F33, F34, F36, G30, G11, and G12 with the Untd. Performance Catless Downpipe with Heat Shield. Designed for enthusiasts looking to maximize power, turbo efficiency, and exhaust flow, this catless downpipe eliminates the restrictive factory catalytic converter while featuring an integrated heat shield to protect your engine bay from excessive heat. With a large 4.5″ diameter, this downpipe significantly enhances turbo performance, reduces turbo lag, and delivers a more aggressive exhaust note.

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