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      04-29-2011, 12:25 PM   #9
GTM_Challenge
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Drives: E92 M3,X5M,F30 335
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Location: Chicago

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Challenge X pipes in stock to add to your Eisenmann muffler for the best sound and performance! PM for special combo packages for full header back systems.


Challenge E9X M3 Stainless Steel X Pipes







The Challenge X pipe product line features 304 stainless steel piping and flanges, twin high flow resonators, and a precision fabricated X section. Available in various combinations from Street with OEM cats, full Race with all cats deleted and Sports model with high flow cats on board. All models feature exquisite hand welding and attention to detail in every inch.


Features:
- Made in the USA
- Full stainless steel construction
- Laser cut and formed mounting brackets
- 2.5 in Piping
- Twin resonators for noise and drone reduction
- Flanged design for easy installation and upgrade options
- 10 wheel hp and 15 ft tq gains with factory cats, +18 with primary cats deleted
- Increased low end power

Last edited by GTM_Challenge; 01-30-2013 at 04:11 PM.
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