JMF STI exhaust build - TriStateTuners.com :: Home of Tristate Auto Enthusiast

91TSiGuy · 05-24-2009, 01:20 PM

Yesterday I spent a few hours doing some upgrades to my girl's '07 STI. Up until then all she had was a CBRD ProTune with the Access port that netted her around 40 hp/tq over stock. Now she has a Invidia / JMF exhaust and will be putting on the Perrin intake in the near future.

We ended up buying the Invidia downpipe due to the quality vs. price ratio it offered. A strong cast bellmouth inlet on whatever downpipe she chose was a must I told her, and I couldn't see her justify spending $300+ more on one just because of the name brand. There was only one thing about it I didn't like, and that was the outlet flange, so I cut off the 2 bolt flange and v-banded it instead. No more gaskets!

From there on back I pieced it together with all 3" stainless tubing and two Magnaflow mufflers to keep the drone down while at cruising speeds but still rumblely enough to know it's not stock. The exhaust hangers I didn't realize the STI used 5/8"-ish size tubing so I had to improvise with the only 1/2" SS rod I had. Other than that, I think it came out perfect in my opinion.

Pics and vids:

SvicksTc · 05-24-2009, 01:23 PM

looks and sounds good, Good work *thumbs up*

assault187 · 05-25-2009, 11:56 AM

Nice work Brent, looks great!

RyanG · 05-25-2009, 12:03 PM

nice work guys

DPancoast · 05-25-2009, 12:35 PM

wow, that looks really really good. Wouldn't expect anything different from these guys.

sounds great too!

boostedgixxer · 12-19-2009, 10:07 PM

Very nice

05-24-2009, 01:20 PM	#1
91TSiGuy Tri-State Aficionado Join Date: Feb 2007 Location: Ephrata, PA Member #3637 My Ride: 91 Talon awd iTrader: (1)	JMF STI exhaust build Yesterday I spent a few hours doing some upgrades to my girl's '07 STI. Up until then all she had was a CBRD ProTune with the Access port that netted her around 40 hp/tq over stock. Now she has a Invidia / JMF exhaust and will be putting on the Perrin intake in the near future. We ended up buying the Invidia downpipe due to the quality vs. price ratio it offered. A strong cast bellmouth inlet on whatever downpipe she chose was a must I told her, and I couldn't see her justify spending $300+ more on one just because of the name brand. There was only one thing about it I didn't like, and that was the outlet flange, so I cut off the 2 bolt flange and v-banded it instead. No more gaskets! From there on back I pieced it together with all 3" stainless tubing and two Magnaflow mufflers to keep the drone down while at cruising speeds but still rumblely enough to know it's not stock. The exhaust hangers I didn't realize the STI used 5/8"-ish size tubing so I had to improvise with the only 1/2" SS rod I had. Other than that, I think it came out perfect in my opinion. Pics and vids:

05-24-2009, 01:23 PM	#2
SvicksTc Tri-State Post Whore Join Date: Apr 2008 Location: Spoolin a Snail Member #7395 My Ride: Nike 6.0 iTrader: (1)	looks and sounds good, Good work thumbs up __________________ Why V-tec When there is To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures. ? \|Nikon\| Twitter: To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.

05-25-2009, 11:56 AM	#3
assault187 Tri-State Post Whore Join Date: Jul 2006 Location: Montgomery county Member #2176 My Ride: 97 Mitsubishi Eclipse GST Spyder AWD iTrader: (3)	Nice work Brent, looks great! __________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures. To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures. World record holder for Quickest and Fastest 1/4 mile Spyder, 4 cylinder vert, 1st in 10's, 2.0L 4G63 Holset record, Modified Mag December 2010, Self built, self tuned.

05-25-2009, 12:03 PM	#4
RyanG Tri-State Post Whore Join Date: Jan 2005 Location: Easton, PA Member #63 iTrader: (1)	nice work guys __________________ I am Area1320 To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.

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12-19-2009, 10:07 PM	#6
boostedgixxer Noob-Jersey Join Date: Dec 2009 Location: ambler Member #15313 iTrader: (0)	Very nice