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Dtchy's Avatar
 
Join Date: Dec 2005
Location: Riverside, CA
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Borla exhaust

Hey all,

I've been thinking of putting a new exhaust on my car and it seems the Borla (XR-1 or a different muffler) is the way to go. Anyone knows where these are for sale?

The Borla website does not show a catback for an 86 944na.

So should I buy the muffler, a tip and have the stuff welded together or any suggestions?

Thanks.

Joost
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Horsepower is how fast you hit the wall...Torque is how far you take the wall with you...

1994 BMW 325is M-Technic
1986 Porsche 944 N/A
Old 01-06-2006, 11:03 AM
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Oh...and I need a high flow cat also (it has to be SMOG legal..).
Any suggestions?
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Horsepower is how fast you hit the wall...Torque is how far you take the wall with you...

1994 BMW 325is M-Technic
1986 Porsche 944 N/A
Old 01-06-2006, 11:04 AM
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I bought a Piece together Kit for a 924S 3" High flow with Magna Flow 40 series. Way to loud for street (but very fun!!!). I Also needed a big resonator to add a little back pressure to avoid a few HP loss low end . I ended up not using kit cause it didn't bend correctly as it should of wrapping around the rear suspension and CV. And now I'm stuck with $300 worth of pretty pipe. Use a custom exhaust shop and take your favorite muffler, mounts, and Cat and maybe resonator. Mine was just $300 for continuous pipe with no junkie bolt ones. I'd probably get a bolt on High flow Cat since they could later be swapped in 3 years or so, after they're toasted. Make sure the shop knows in advance they'll need the flanges to mate, if ya do or more waiting.
I think all cat's are legal by nature. Shops usually have the tip for another $60+. ASK local PCA or hot rod guys what's good in your area for a shop and generally stay away from the big name company's. Well that's my 2cents. Good luck.
Old 01-06-2006, 11:26 AM
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I got mine from SpeedforceRacing and it sounds absolutely awesome, just loud.
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'84 944 moneysucker edition (SFR, Corbeaus, etc.)
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Old 01-06-2006, 11:26 AM
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Thanks guys, I also saw the SFR sytem and I read some pretty good things on this board. It retails for $699 though with an XR-1 muffler. But I guess you get what you pay for. It looks pretty sweet though!
I'm even thinking about an OE replacement cat. The thing was that when I had it smogged a couple of months ago, my HC was right at the limit. Does anybody have a clue what could solve this? Is this a cat problem?
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Horsepower is how fast you hit the wall...Torque is how far you take the wall with you...

1994 BMW 325is M-Technic
1986 Porsche 944 N/A
Old 01-06-2006, 11:50 AM
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could be a cat problem. could be running rich.
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Old 01-06-2006, 12:00 PM
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Hmmm...I looked on the Borla website and saw the XR-1 mufflers. I'm even thinking about welding a new muffler on my old pipe.
What size casing would I need? 12"or 16"? What is the result of different case sizes?
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Horsepower is how fast you hit the wall...Torque is how far you take the wall with you...

1994 BMW 325is M-Technic
1986 Porsche 944 N/A
Old 01-06-2006, 12:28 PM
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The outside end before the tip needs to vertically line with the exhaust hanger. If your cutting new pipe it's that guys problem. If it's a Mod to your current, better keep the same length as what you got.
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1987 924S with 968 Drive front to back, Bilstein Insert on mod/stock Struts, 450# Hypercoils, 28mm Torsion Bars, Weltmeister Adjustable Sway Bars, Lindsey 968 Light flywheel, Spec Stage II Clutch, ToYO RA1's, Auto Power Cage & 6 pt Harness, KLA Strut Brace, Greasy hands, heavy foot, and lots of smiles
Old 01-06-2006, 01:22 PM
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