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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > -*-*->335i Supersprint Full Exhaust Review<-*-*-



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      01-28-2008, 01:20 PM   #1
hl0m4n
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Thumbs up -*-*->335i Supersprint Full Exhaust Review<-*-*-

Supersprint Exhaust Review By: hl0m4n@e90post

*Note: This post is dedicated to the Supersprint exhaust displayed below, so lets keep it friendly and not have a which is better, too expensive, etc posts. If you have nothing good to say please keep it to yourself. Thank you and enjoy.

Supersprint Components Used:
x2 90mm Muffler Tips
Connecting Pipe
X-Pipe

Delivery: After anxiously waiting five weeks, my Supersprint exhaust finally arrived. The exhaust came in two different packages, one large box with the connecting pips and mufflers and a separate bulk shipment of the x-pipe as shown in the picture below.
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Last edited by hl0m4n; 10-04-2008 at 06:40 PM.
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      01-28-2008, 01:21 PM   #2
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First Impressions: When you hear Supersprint you think of well renowned quality, performance, TUV approval, hand crafted in Italy, and aggressive sound which is exactly what you get.
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      01-28-2008, 01:22 PM   #3
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Quality: After unpacking everything it was time to check the system out. After a very careful inspection all I can say is “wow”. From the beautiful welds to the craftsmanship of the shape and bends everything was simply perfect. Each component has a unique Supersprint stamping with a unique number to follow as shown in the pictures below. The clamps looked sturdy and perfect. The only thing left to do now was to get these installed.
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      01-28-2008, 01:23 PM   #4
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The Test Subject:
07 BMW 335i Coupe (e92):
Monaco Blue
Gray W/ Aluminum Trim
Sport Package, Cold, Premium
Comfort Access & Navigation
Hardwire V1 + Huper Optik 30 (35%) Tint
Oil Cooler Retrofit
Keyhole Delete
Automatic W/ Paddles
23,XXX Miles
100% Problem Free (Fuel Pump, Etc)
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Last edited by hl0m4n; 03-26-2008 at 11:03 PM.
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      01-28-2008, 01:23 PM   #5
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Install & Fitment: I wasn’t able to get install photos as I liked. But I was looking at the install and everything went fabulous. It is really a direct bolt on exhaust. From connecting pipes to the x-pipe and throughout everything fit perfectly using the factory hangers and bolts. I was amazed at the fitment of the connecting pipes to the downpipes. Everything aligned perfectly. The clamps are really sturdy and heavy duty and I see no reason why welding is needed. The muffler cross brace also really does its job on preventing mufflers from moving around. Make sure you insert a 4.5mm metal BB or a 7/32” ball bearing (found at many hardware stores and bike shops) inside the vacuum line, failure to seal this line properly will lead to a vacuum leak resulting in a huge power decrease which I experience and is shown in the dynos below. The tip fitment in the bumper valence is perfect. The stock exhaust has 80mm tips and these Supersprint ones are 90mm which are, in my opinion, perfect; they are not oversized and sit perfectly in the provided valance with a good remainder of space left. They are both very even in measurements from the sides, top, and exposure. The tips do not “droop” down to the floor nor do they touch any part of the valence. The muffler tips are very secure with the hangers, clamps, and muffler brace. Install was seriously a breeze and took one and a half hours and should take no longer then two.

Weight Savings: The stock exhaust weighed in at approximately 76lbs. The full Supersprint exhaust including clamps, brace, screws, etc came to be 58lbs. That is a difference of 18lbs from stock.

Sound: The sound of the exhaust is incredible. When I say there is no drone, I really mean no drone, nada, whatsoever. The exhaust in my opinion is perfectly pitched. Not too loud and not too quiet. The sound is more aggressive and louder then stock but still maintains a tamed volume inside the cabin to have a conversation without shouting. As the exhaust being broken in, you can noticeably hear the difference and the sound only gets better. If you have a coupe and experience rattling in the back seat after exhaust installation, it is normal and is caused by the extra DB (sound) of the exhaust. The exact location of the rattling comes from the storing compartment in the back seat. There is a solution to fixing this which is to insert two tennis balls into the compartment, one ball in the back and another at the front of the compartment. The two tennis balls fit very “snug” in the compartment and the tray closes with no problem. Just give the balls a push down and close the tray accordingly. If this doesn't work, take a microfiber cloth neatly fold it and lay it in the compartment with a tennis ball on top and close the cover. The sound of the engine is louder too and you can really hear the turbos spool up not to mention they spool up noticeably faster.

Videos: The video clips were produced with a Sony Cybershot digital camera. The 0-60mph runs were taken around 3AM because it is the only time where I can stop in the middle of the highway. I couldn’t really push the car as I hoped as I was already sliding (left & right) under the rainy conditions even with traction on. All video clips were taken with car at proper operating temperatures, 210-220 degrees.

Cruise- Windows Down 0-60:

Cruise- Windows Up 0-60:

Windows Down Rev:

Windows Up Rev:

WOT- Windows Down 0-60:

WOT-Windows Up 0-60:

Drive By- Cruise:

Drive By- Downshift & Roll:

Drive By- WOT:

Outside Rev:


Extra Videos:
155mph Limit Attempt #1:

155mph Limit Attempt #2:


Dyno: The Dynojet dynos below shows my highest stock number compared to the highest number with exhaust. Included is another dyno run of highest number of the exhaust when the vacuum line wasn’t sealed properly. Notice the huge drop in TQ. The exhaust dyno was done after a 500 mile break in of exhaust. The average difference on both HP and TQ between other dyno runs was 2-3 max as all dynos showed consistent numbers. The dynos were all done with the car’s oil temp being in optimal operating temperatures, 220-250 degrees max. Although not necessary to all, if you feel your car lost power, throttle response, or just doesn’t feel normal, reset your ECU by removing the negative terminal of your battery (black cable) in the trunk compartment for 15 minutes. This allows your ECU to go on the default aggressive map from factory and relearn and adapt to the new exhaust. You can noticeably feel a difference in power, throttle, and feel after doing so.
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Last edited by hl0m4n; 11-30-2008 at 04:10 PM.
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      01-28-2008, 01:25 PM   #6
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Fuel Economy: Surprisingly enough I thought installing an exhaust would decrease my gas mileage by a tiny bit if anything, but instead it is the other way around. On average I actually gained .8-1.2 max miles after 500 miles of exhaust installation.

Final Thoughts: Overall, I am very satisfied with the exhaust. It delivers great gains and also an exhaust note that is pitched right without being obsessively loud, not to mention having absolutely no drone. The car sounds amazing even when rolling. The muffler tips, in my opinion, are by far the best looking out there. They are angled from top to bottom and on the side as shown in the pictures below. They are very elegant and sporty. From the pictures it may look as if the muffler tips are not even in the valence. Rest assured that they are very equal when measured. If you are on the market for an exhaust don’t forget to put Supersprint on your list as they will definitely not let you down and if you ask me if it’s worth the extra dollars, I would say “hell yea!!!”.
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Last edited by hl0m4n; 08-10-2008 at 01:43 PM.
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      01-28-2008, 02:05 PM   #7
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Great review .

Makes yo want to put a supersprint exhaust as well under the car, but its a nono for us xi guys like the sway bar thing .
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      01-28-2008, 02:06 PM   #8
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Quote:
Originally Posted by Hampi View Post
Great review .

Makes yo want to put a supersprint exhaust as well under the car, but its a nono for us xi guys like the sway bar thing .
?? group buy includes xi and e93s
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      01-28-2008, 02:09 PM   #9
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...you are sure it works for the xi as well without any fitment issues? BTW: http://www.supersprint.com/a_prodott...odello=bmwE921
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      01-28-2008, 02:13 PM   #10
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Great review!!!
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      01-28-2008, 02:23 PM   #11
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Quote:
Originally Posted by Hampi View Post
...you are sure it works for the xi as well without any fitment issues? BTW: http://www.supersprint.com/a_prodott...odello=bmwE921
yep
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      01-28-2008, 03:11 PM   #12
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Vid #10 is good, has a nice deep classy sound.
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      01-28-2008, 03:25 PM   #13
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Good detailed review and awesome contribution with the videos. Not bad at all! But you should wash your car!

I, just like Fraggy, run on Eisenmann Sports.
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      01-28-2008, 03:32 PM   #14
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any idea about the weight differences?

Did you happen to weigh the mufflers to see what weight you saved?
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      01-28-2008, 03:50 PM   #15
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Quote:
Originally Posted by acbtx View Post
Did you happen to weigh the mufflers to see what weight you saved?
i was going to but it came to mind when the exhaust was being installed.
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      01-28-2008, 04:01 PM   #16
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damit is this the price one has to pay for a decent european sound for this decent european car?
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      01-28-2008, 07:15 PM   #17
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Nice review, but would rather have Eisenmann Sport with LeMans tips which looks way better IMO
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      01-28-2008, 10:02 PM   #18
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congrats on your exhaust. sounds great!
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      01-28-2008, 11:11 PM   #19
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Quote:
Originally Posted by hl0m4n View Post
Supersprint Exhaust Review By: hl0m4n

*Note: This post is dedicated to the Supersprint exhaust displayed below, so lets keep it friendly and not have a which is better, too expensive, etc posts. If you have nothing good to say please keep it to yourself. Thank you and enjoy.

Supersprint Components Used:
x2 90mm Muffler Tips
Connecting Pipe
X-Pipe

Delivery: After anxiously waiting five weeks, my Supersprint exhaust finally arrived. The exhaust came in two different packages, one large box with the connecting pips and mufflers and a separate bulk shipment of the x-pipe as shown in the picture below.

Nice review. The sound is just great and it seems not much louder than the golf tee mod.

Orb

Last edited by Orb; 01-28-2008 at 11:52 PM.
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      01-29-2008, 06:14 AM   #20
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Great review, I have been waiting for this, checking everyday and now is finally here. Thank you and grat job.
Whats up with the Group Buy?
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      01-29-2008, 11:06 AM   #21
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Quote:
Originally Posted by Orb View Post
Nice review. The sound is just great and it seems not much louder than the golf tee mod.

Orb
thanks orb. i have actually done the golf tee mod and drove on it for a few hundred (not more then 300) miles. although the videos may seem its just a "bit" louder then golf tee, it is completely different. alot deeper and aggressive and is way louder then just doing the golf tee minus the drone and minus a few dbs off a eisenhaus and thats where SS is.
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      01-29-2008, 01:25 PM   #22
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good review, but for me it's a bit to quiet. i like it more aggressiv!
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