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E90/E92 M3 Test Pipes (Cat Delete)
E90/E92 M3 Test Pipes (Cat Delete)
Part #: TEN9046MTP
Applications: 2008 - - (E90 E92)
On the E90/E92 M3, the stock exhaust headers flow very well while the catalysts present the largest obstacle and power loss. These pipes were designed specifically for race/track use, and offer a cost-effective means of removing the very restrictive catalytic converters on all 2008+ E90/E92 M3. They allow you to make two single cuts to your stock midpipe section, removing the catalytic converters, and clamping the largest diameter straight pipe in their place using the provided high-end/premium exhaust clamps. This eliminates the largest source of exhaust restriction, unleashing AMAZING power gains and a very obvious improvement in acceleration. (Dyno chart shown is with Cat Delete + Stage II Software). Another benefit of these Test Pipes, versus other options, is that they retains as much of your stock system as possible, keeping noise levels tame enough for even the most stringent sound limitations found at many track events (nearly stock sound levels).

We have done extensive dyno testing on several E9x M3s, starting with our own Project E90 M3, developing a custom tuned Stage 2 Race software specifically for the cat-delete. Time after time, our Dyno has shown HUGE INCREASES IN POWER on each M3 that has received this treatment. When these Test Pipes are combined with our Stage II (Race) software, these make 40hp @ 8000 rpm and 32 lb/ft @ 3000rpm. This (optional) Stage 2 software is also very important in that it allows the cats to be removed without triggering fault codes or putting the engine into limp mode.

This part alters or deletes the emissions equipment on your car. Because of this, we require a waiver of emissions compliance to be signed and sent in to TMS. You can download the waiver here.


Price:  $399.95
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