Milltek 2.5" Performance Cat-back Exhaust - BMW E8X 135i N54 | N55 | SSXBM948


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Part# SSXBM948

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Installing a high flow catback exhaust is a quick way to pick up horsepower and torque. A catback exhaust will also give your BMW E8X 135i N54/N55 a sportier tone. All Milltek catback exhaust systems feature a bolt-on design and mate seamlessly with your factory or most aftermarket downpipes.

The resonated catback exhaust features a center resonator and rear muffler producing a more refined and quieter exhaust tone while the non-resonated systems incorporate only a rear muffler and provide a louder more aggressive tone compared to the resonated systems.

Milltek Sport exhausts are produced in high quality type-304 aircraft grade in 2.5" stainless steel tubing. This quality of stainless steel is used on all pipework and the total construction of the silencer. Mandrel bending ensures full flow bends for better gas flow and Milltek systems are increased in bore to ensure ultimate performance without the loss of mid-range torque.

Available Tips: Polished or Black Cerakote

Product Details:

-Available in 2.5"
-Highest quality aircraft-grade stainless steel
-Will require the electric valve motor from the OEM system for rear silencer
-Sharper throttle response
-Substantial weight savings
-Precision quality
-Reduced back pressure for max performance - no loss of low end torque!

Milltek Part Numbers

SSXBM948 - 2.5" Secondary Cat-back Exhaust (Black Tips)
SSXBM946 - 2.5" Secondary Cat-back Exhaust (Polished Tips)
SSXBM949 - 2.5" Primary Cat-back Exhaust (Black Tips)
SSXBM945 - 2.5" Primary Cat-back Exhaust (Polished Tips)

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm -

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