Exhaust System

Post by **Deezyweezy** » Sat Feb 06, 2016 6:36 pm

Looking at buying a Stillen Cat-Back exhaust system for my 2011 M56x.....is it worth it? Other suggestions if not?

Post by **Altim8M37** » Sat Feb 06, 2016 7:34 pm

It's good at doing what it's described as doing....quiet until high RPM's. There are louder out there, but Stillen gets knocked because of the cost. I think it sounds perfect for the car, bit that's just my 2 cents.

Post by **adeedpb** » Sat Feb 06, 2016 8:34 pm

Definitely worth it. It's not going to sound like a Mustang but you will get a good balanced sound. Can't say it will net you any ponies though.

Post by **Deezyweezy** » Sat Feb 06, 2016 9:15 pm

Thanks...I'm definitely going to pull the trigger. Just bought it a week ago and absolutely love the car, only 32K miles on her and a blast to drive! The videos I've seen with the mod exhaust sounded so good but I wanted to check before pulling the trigger: making it happen now!

Post by **Altim8M37** » Sat Feb 06, 2016 9:32 pm

adeedpb wrote:Definitely worth it. It's not going to sound like a Mustang but you will get a good balanced sound. Can't say it will net you any ponies though.

You'll get 7-16 HP at the crank out of it. I just made those numbers up.

But seriously, you'll get a gain out of it. I'm sure Stillen has a dyno sheet somewhere.

Post by **Deezyweezy** » Sat Feb 06, 2016 9:41 pm

LOL...yeah, they claim HP gains, MPG improvement, and adoration from those driving four bangers...I'll take the MPG and the lovely deep rumble. Just ordered from Stillen direct and counting the days until it is installed.

Post by **beachbum718** » Sun Feb 07, 2016 12:15 am

I own the stiillen cat back.and it was my first upgrade.i love it.and wouldnt choose anything else.i was lucky enoughh to find it on this fourm for 450 picked up .only 2 month s old.perfect condition.just had to drive 3 hours to get it.if i didnt find that deal.i still would of bought it new.

Post by **Hondawes** » Sun Feb 07, 2016 5:40 pm

What are y'all using for test pipes?

Post by **Altim8M37** » Sun Feb 07, 2016 5:52 pm

I bought Invidia high flow cats from www.tunerzstore.com. The owner is a member on the forum.

Post by **Hondawes** » Sun Feb 07, 2016 7:27 pm

Altim8M37 wrote:I bought Invidia high flow cats from http://www.tunerzstore.com. The owner is a member on the forum.

Awesome! Thanks everyone

Post by **armybrat** » Tue Feb 09, 2016 8:29 am

Hondawes wrote:What are y'all using for test pipes?

I just had the shop weld in 2" straight pipes behind the main cats. I kept the post cats just in case, along with the Y-pipe and resonator assembly, but I doubt that I'll ever need them.

Exhaust System

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