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GrimmSpeed OEM Downpipe to 3in Cat Back Adapter - Subaru Turbo Models
MODEL # GRM 077046
Manufacturer Part # 077046
Manufacturer Part # 077046
$
39
$39.00
Bundle Savings:
$39.00
Bundle Savings:
Buy as a package deal and save:
Stage 1 Performance Package - Subaru Legacy GT 2008-2009
As low as $1,420.18
As low as $1,420.18
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Description
Exhaust leaks seem to be an all-too-common issue with most modded Subaru’s. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. One of the most common leaks that we hear about is from running an OEM downpipe with an aftermarket 3" catback without a proper adaptor. Use an adaptor that allows you to retain your stock donut gasket for the best solution to finally end that pesky leak.
CNC machined from mild steel and zinc coated for durability and longevity, this thing will outlast your car. Don't waste your time trying to get your OEM downpipe to seal without a donut gasket. In a short amount of time, they rust and corrode and will prevent you from ever getting a good seal with a typical flat gasket. Re-use your stock donut gasket along with a GrimmSpeed 2x Thick 3" Gasket for a perfect seal on the first try!
CNC machined from mild steel and zinc coated for durability and longevity, this thing will outlast your car. Don't waste your time trying to get your OEM downpipe to seal without a donut gasket. In a short amount of time, they rust and corrode and will prevent you from ever getting a good seal with a typical flat gasket. Re-use your stock donut gasket along with a GrimmSpeed 2x Thick 3" Gasket for a perfect seal on the first try!
RallySport Guarantee - 30 Days
Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.
RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.
The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
Specifications
Brand:
Grimmspeed
Gasket Layers:
3
Material:
Stainless Steel
QTY:
1
Mfgr. Warranty:
Limited Lifetime
Condition:
New Product
Return Policy:
Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.
RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.
The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
RallySport Guarantee
RallySport Guarantee - 30 Days
Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.
RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.
The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
REVIEWS
4.8
5 STAR
89%
4 STAR
8%
3 STAR
2 STAR
1 STAR
3%
Verified Purchase
Saved my install
FranklinWaters 2 months ago
The shop that installed my Invidia N1 race exhaust ended up cutting off the flange for the stock downpipe and welding this on to install the CBE. It made the install easier and would have made it easier for me if the level of rust did not cause me to take the car to a shop to do it.
Verified Purchase
GrimmSpeed OEM Downpipe to 3in Cat Back Adapter
Zackm161 3 months ago
Simple and simplifies installation of catback exhaust to OEM downpipe.
Verified Purchase
Worked great, would recommend!
madeang954370 4 months ago
Used on a 2017 WRX when installing a new catback with a 3" flange. Quality of the adapter, hardware, and included 3" gasket is all spot on. GrimmSpeed gets another thumbs up from me. Just wish this was about $10 cheaper.
Verified Purchase
Easy install
Booshwacka 5 months ago
Part fit perfectly on my 2014 WRX Hatch. Stock downpipe to Tomei exhaust. Been using it for 2 weeks now. No Leaks. A+
Verified Purchase
good, but could improve
sbeidler 9 months ago
so i used this adapter to mate my Invidia N1 Race to my stock downpipe. aside from my rusty old( actually not very old) downpipe flanges bending with almost no torque on the bolts it actually sealed very well with a new donut gasket. My only concern is the very cheap bolts and the tiny washers that are supplied with the kit. I wound up doubling the supplied washers with bigger washers since the wholes on the N1 system are very big for adjustment. Other than the hardware, the pieces them self seam very solid and well built. Could be a little cheaper, but if it keeps it from leaking and does its job correctly i can look past the price ill probably change the bolts out in a few weeks or so when i get a downpipe depending which one i get.
QUESTIONS & ANSWERS
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Q: Will I need this adapter for 2017 WRX OEM downpipe and Invidia R400? WRX 1 month ago
AnswerWill I need this adapter for 2017 WRX OEM downpipe and Invidia R400? R400 is 3 inch which matches the OEM downpipe size.
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A: The OEM downpipe on ALL Subaru models are 2.5 inches. You will need this adapter if you plan to run any Invidia Exhaust
Tyler A.
1 month ago
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Q: Adapter gasket D 1 month ago
AnswerDoes this adapter come with a donut gasket or is that sold separately?
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A: The donut gasket is not included and will need to be purchased separately.
Brady R
1 month ago
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Q: Gasket Andrew35 2 months ago
AnswerWill this adapter work with my 06 sti. I have a p&l straight pipe, with a stock down pipe ?
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A: This will work if you are going from an OEM downpipe to a 3in exhaust.
Luis L.
2 months ago
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Q: Tomei Catback to Invidia Catless Downpipe joelangreo 2 months ago
AnswerHi, I've currently been using this part to connect my tomei catback to my stock downpipe. Do I still need this part now that I am about to install my invidia catless downpipe? (car is 2016 wrx manual)
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A: No you will not. The Tomei catback and the Invidia downpipe will mate up no problem.
Tyler A.
2 months ago
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Q: Exhaust seal Neez 06 1 year ago
AnswerI want to connect oem dp to 3in CB. To get a perfect seal with this product , will I still need to use the stock donut gasket on the dp side and a 3in gasket on the CB side?
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A: Yes, you will want the OEM donut gasket on the down pipe, then the adapter, then the gasket to the catback. There is a picture under User Media on this product page that gives a good explanation of how the products should sit.
Chris W.
1 year ago
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